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Love Tester

The Love Tester (Japanese: ラブテスター, Rabu Tesutā) is a handheld novelty electronic toy produced by in 1969, intended for young adults to assess romantic compatibility between two people by measuring changes in their as they hold metal contacts on the device. The toy features a needle meter displaying a compatibility score from 0 to 100, purportedly indicating the strength of emotional or "love level," though it operates on pseudoscientific principles related to galvanic skin response rather than any accurate physiological . Powered by a single and priced at ¥1,800 upon release, it was marketed as an icebreaker for dating couples in 's conservative social environment of the late , where direct romantic interactions were often restrained. Designed by engineer , who later created iconic products like the Game & Watch series, , and , the Love Tester marked 's first foray into electronic toys and represented a shift from the company's earlier focus on playing cards and mechanical gadgets such as the . Under the leadership of president , expanded into mature-oriented products during this period, and the Love Tester's simple circuitry—detecting minute electrical resistance variations between users' hands—highlighted Yokoi's innovative approach to low-cost electronics that would influence the company's future video game hardware. In Western markets, it was rebranded and distributed by companies like Lido Designs Inc. as a "Lie/Love Detector," emphasizing its use in gauging emotional arousal through hand-holding interactions, such as talking or kissing. The device's cultural significance lies in its role as a whimsical social tool rather than a serious measurement device, often coming with a black plastic carrying pouch for portability and proving popular enough to inspire later mini- series editions and exports beyond . Remakes and replicas, including a 2010 edition by Tenyo and licensed versions sold for around $55 in the , have kept it relevant among collectors, underscoring its place in Nintendo's pre-video legacy as a precursor to more sophisticated interactive technologies. While arcade-style love testers had existed since as coin-operated novelties using random or basic electrical feedback, Nintendo's version stood out for its compact, battery-powered design aimed at personal use.

History

Development

In the late 1960s, , originally established in as a manufacturer of playing cards, underwent a significant transition under the leadership of president , diversifying from traditional cards and toys into modern electronics to adapt to changing market demands. This shift marked Nintendo's early experimentation with electronic toys, moving away from purely mechanical products toward devices incorporating basic circuitry. The Love Tester was invented by in 1969, serving as Nintendo's inaugural electronic product and showcasing Yokoi's innovative approach to accessible gadgetry. , who joined in 1965 as a machine shop maintenance worker before rising to design roles, drew on rudimentary electronics to create this novelty device, which measured variations in electrical conductivity rather than actual romantic affinity. At its core, the Love Tester employed simple electronic components, including transistors and resistors, to detect bioelectric signals—specifically, changes in caused by hand contact with metal probes—powered by a single for portability. This technology, akin to early galvanometers used in basic devices, allowed the meter to fluctuate on a 0-100 scale, simulating a reading. Designed as a lighthearted , the Love Tester targeted young couples in , blending entertainment with a pseudo-scientific veneer to encourage playful interaction and break social barriers in customs of the era. Marketed explicitly "for young ladies and men," it exemplified Nintendo's strategy to produce affordable, engaging gadgets that appealed to while experimenting with electronics for future innovations.

Initial Release

The Love Tester was first released in in 1969 by , marking the company's debut in electronic toys targeted at a audience. Designed by engineer , the device retailed for ¥1,800, equivalent to approximately $5 USD based on the contemporary of around 358 yen per dollar. This pricing positioned it as an affordable novelty item within Nintendo's growing assortment of portable playthings. As part of Nintendo's early experimentation with compact, battery-powered gadgets, the Love Tester contributed to the foundation of their Mini Game Series lineup, which would formalize such portable toys in the early 1970s. The initial Japanese launch emphasized its role as a , complete with a carrying case for on-the-go use, and it quickly became a quirky staple in toy stores. Nintendo's exports outside in the late were notably rare, as the company primarily focused on domestic markets during that decade; the Love Tester was rebranded for international distribution as the "Love/Lie Detector" and appeared in Western markets in 1971 through partners like Lido Designs. This move represented an ambitious early step toward global outreach, predating Nintendo's widespread international success in later decades.

Design and Functionality

Physical Components

The Love Tester features a compact handheld casing designed for portability. The exterior often has a leather-like texture in original models, housing the core components within a simple, durable build. At the ends of the device or connected via a short wire are two metal contacts, often described as spherical or cup-shaped, which users grip with one hand each while with the other to complete the circuit. Internally, it contains a basic circuit board that processes signals to drive the output display, powered by a single for convenience. The display consists of a needle that indicates compatibility scores ranging from 0 to 100, providing a visual readout of the measured "love" level. This straightforward hardware setup emphasizes and novelty over complexity. Western versions of the device frequently rebranded it as a "lie detector," with incorporating moralistic language to promote its use for detecting truthfulness in sensitive or embarrassing questions, often bundled in small boxes without the original carry pouch.

Operation Mechanism

The Love Tester functions through a simple process where two users each grasp one of two connected metal contacts while with their free hands. This setup completes an electrical circuit through their bodies, allowing the device to measure variations in skin resistance, specifically galvanic skin response (GSR), which arises from changes in activity due to emotional excitement or . The sensors, typically made of conductive metal, detect these fluctuations in electrical influenced by factors such as hand moisture and grip pressure. Once the is established, the device's internal analog circuitry processes the signal and generates a numerical "love score" displayed on a metered dial ranging from 0 to 100. The output is semi-random, as minor differences in , ambient , or user can cause variable readings, scaled into interpretive categories such as "" for scores near 0 and "Perfect Love" for scores near 100. This mechanism relies on basic ohm-meter principles to quantify but introduces variability that mimics unpredictability in relationships, enhancing its novelty appeal. The underlying pseudo-science of the Love Tester lacks any validated correlation to actual romantic compatibility, as GSR primarily indicates general activity rather than specific emotional bonds. Instead, it capitalizes on the placebo effect, where users perceive the score as meaningful due to the intimate hand-holding and suggestive labeling, without empirical support for accuracy in assessing . Practically, is powered by a single , enabling handheld portability without the need for external power sources. Its construction features a robust casing with attached sensors on flexible wires, accompanied by a protective carry pouch for durability during transport and casual handling.

Marketing and Reception

Promotion Strategies

The Love Tester was promoted in through extensive television campaigns in the late , which featured lighthearted scenarios of young couples engaging with the device to humorously assess their compatibility. These commercials, such as the 1968 spot directed at romantic interactions, contributed to the toy's visibility among its target demographic of young adults. Marketing taglines highlighted the device's playful measurement of "true love" via hand-holding and electrical , including phrases like "Let's measure the love between us two with !" and "How good a are you? Use the Love Tester to find out!" Illuminated ad signs, placed in retail settings, used dynamic color-changing effects to simulate blushing and attract attention to the product's romantic fun. Distribution occurred primarily through department stores and toy shops in , where the device retailed for ¥1,800 and was often presented alongside other Nintendo novelties like the to appeal to novelty-seeking consumers. In Western markets, adaptations positioned the Love Tester as both a love detector and a lie detector, broadening its appeal beyond romance to include and truth-testing scenarios, as seen in English-language packaging and ads labeling it the "Lie/Love Detector."

Commercial Performance

The Love Tester achieved notable commercial success in upon its 1969 release, serving as one of Nintendo's early forays into electronic toys and helping the company diversify its revenue beyond traditional playing cards during a period of financial recovery. This performance was bolstered by its novelty appeal, positioning it as a standout product in Nintendo's lineup of the era, similar to the , which sold over 1.2 million units and marked the company's first major toy hit. Official exports to international markets, such as the via distributor Designs Inc. starting in 1971, marked the Love Tester as Nintendo's first toy sold outside , though the company's direct global infrastructure remained limited at the time.

Legacy

Re-releases and Remakes

In the 2000s, produced remakes of the Love Tester as officially licensed collectibles, with the 2008 version distributed as a in Japanese UFO catcher arcade machines rather than for direct retail sale. This edition featured a modernized with integrated sensors and LED indicators for the love meter, diverging from the original's analog dial while retaining the core concept of measuring electrical between users. A more faithful re-release followed in July 2010 by Tenyo in , priced at ¥5,250 (approximately $55 at the time), and officially endorsed by with updated packaging that included a copyright notice spanning 1969–2010. This version closely replicated the 1969 original's appearance and mechanism, incorporating minor safety modifications such as rubber bands in place of metal clips and plastic shielding, while maintaining the battery-powered for compatibility readings. It was available through Tenyo's online shop and select international retailers, appealing to nostalgia-driven collectors. Beyond physical revivals, various digital emulations and mobile apps have drawn inspiration from the Love Tester's premise, simulating love through name inputs or sensors, though none are official products. Examples include browser-based games like those on and Android apps such as "Love Tester - Find Real Love" on , which use algorithmic scoring for playful results without the hardware-based galvanic response of the original. Original 1969 Love Tester units have gained significant collectible value due to their rarity and as Nintendo's first electronic toy, with well-preserved examples fetching $100–$500 USD at auctions and online marketplaces like . Complete sets including the box and carrying case command higher prices, often exceeding $300 for museum-quality specimens.

Cultural Impact

The Love Tester has emerged as a among enthusiasts, representing the company's quirky experimentation in the pre-video game era when it produced novelty toys alongside traditional playing cards. Designed by , who later created iconic consoles like the Game Boy, the device exemplifies Nintendo's early foray into electronic gadgets aimed at playful social interaction. It has been referenced in media exploring 's history, including the 2021 documentary series Playing with Power: The Nintendo Story, which highlights the Love Tester as one of the innovative creations that bridged the company's toy-making roots to its gaming legacy. The toy also appears in discussions of retro toy collections, underscoring its role in 's transition from cards to electronics. While the Love Tester's analog mechanism of measuring electrical conductivity through hand-holding has influenced the broader tradition of love compatibility gadgets, its simple, tactile design distinguishes it from digital apps that simulate similar tests using algorithms and quizzes. Modern devices and apps draw from the same pseudoscientific premise of quantifying affection, but the original's charm lies in its unpretentious, era-specific whimsy. In , the Love Tester retains strong nostalgic appeal, with fans appreciating it as a symbol of pop culture innovation; this is evident in interactive exhibits at the Nintendo Museum in , where the Love Tester SP allows visitors to engage in updated versions of the original tests, fostering a connection to 's heritage. A 2010 re-release by Tenyo, endorsed by , further revived interest among collectors.

References

  1. [1]
    Nintendo Love Tester (ラブテスター, 1969) - beforemario
    ¥1,800Feb 23, 2011 · In 1969 a Nintendo toy aimed at a more mature market saw the light of day. Advertised to be 'for young ladies and men', the Electronic Love ...Missing: history | Show results with:history
  2. [2]
    From cards to cartridges: The history of Nintendo - BBC Newsround
    Sep 20, 2013 · The Nintendo Love Tester from 1969 was a novelty gadget that claimed to reveal whether a couple was truly in love. Image caption, In 1977 ...<|control11|><|separator|>
  3. [3]
    The Nintendo Love Tester Was More Than A Vitality Sensor - Kotaku
    Jul 1, 2010 · In 1969, Gunpei Yokoi – who has Game & Watch, the Game Boy and Metroid on his resume – developed this “Love Tester” for Nintendo, a crude ...
  4. [4]
    Inside a Decades-Long Quest to Measure Love - Atlas Obscura
    Feb 10, 2023 · Versions of the Love Tester appeared to have been manufactured even before the patent was granted in 1933, but into the late 1930s, the ...Missing: toy | Show results with:toy<|control11|><|separator|>
  5. [5]
    How Gunpei Yokoi Reinvented Nintendo - VICE
    Nov 12, 2020 · The original turnaround king was one Gunpei Yokoi, an engineering whiz whose gadgets kept Nintendo afloat in the late Sixties when it was a struggling toymaker.
  6. [6]
    Exchange Rates Between the United States Dollar and Forty-one ...
    Download the Results in a Spreadsheet Format ; 1969, 358.38 Yen ; 1970, 358.15 Yen ; 1971, 347.48 Yen ; 1972, 303.08 Yen ; 1973, 270.89 Yen.
  7. [7]
    1969 Nintendo Electronic Love Tester (ラブテスター)
    Feb 10, 2019 · The 1969 Electronic Love Tester is Nintendo's first electronic toy. Designed by Nintendo legend Gunpei Yokoi (the man who sent Nintendo into ...
  8. [8]
    Nintendo Love Tester sold in 1971 in USA - beforemario
    Oct 4, 2020 · The Love Tester was sold by Lido Designs for $9.95 (prepaid, including shipping), which was around double the sales price the Love Tester was originally sold ...
  9. [9]
    Nintendo Love Tester
    ### Summary of Nintendo Love Tester (1969)
  10. [10]
    https://imotions.com/blog/learning/research-fundamentals/galvanic-skin-response/
  11. [11]
    Nintendo Love Tester (1968) TV commercial - YouTube
    Jun 22, 2010 · [CM] 任天堂ラブテスター 愛情測定器 (1968) 30s.Missing: campaign 1969
  12. [12]
    Nintendo Love Tester ad sign (ca 1969) - beforemario
    Oct 17, 2021 · It used simple electronics to provide a 'love score' to a couple holding hands. The Love Tester was a considerabel success, helped by marketing ...Missing: strategies | Show results with:strategies
  13. [13]
    Against All Odds: How Nintendo Made It - TechSpot
    Dec 16, 2020 · Other products developed by Gunpei Yokoi, including a Love Tester, helped Nintendo ... Nintendo Switch sales overtook the Nintendo 64 (34 million) ...
  14. [14]
    Before Mario: Nintendo's Playing Cards, Toys and Love Hotels
    Aug 11, 2011 · Similar to the Ultra Hand, it too sold over a million units. ... From there, the Love Tester produces a numerical "Love" score, from one to 100.
  15. [15]
    Hiroshi Yamauchi: Nintendo chief's video games legacy - BBC News
    Sep 20, 2013 · In the 1960s he moved the company into toy manufacturing creating many famous products such as the Love Tester and Custom Gunman. The Love ...
  16. [16]
    Nintendo Love Tester (ラブテスター) remakes by Taito (2008) and ...
    Mar 5, 2011 · The Taito Love Tester is a modern recreation of the original toy in name and concept only. Regarding the design and looks, corners have been cut to keep the ...Missing: internals | Show results with:internals
  17. [17]
    Nintendo Love Tester back on the market after 41 years - Destructoid
    Jul 1, 2010 · Four decades out of commission, the Love Tester, in nearly the original packaging and design, is available now. That's 55 bucks worth of ...Missing: commercial | Show results with:commercial
  18. [18]
    Love Tester ❤️ Play on CrazyGames
    Rating 8.6/10 (9,378) · Free · GameLove Tester is an online game that analyses how compatible you and your crush are. Just fill out your name and your crush's name and get your score.Missing: Nintendo | Show results with:Nintendo
  19. [19]
    Love Tester - Find Real Love - Apps on Google Play
    Rating 4.1 (76,453) · Free · AndroidWith our love calculator you will find out in no time. If your hearts are beating to the same beat, our Love App will tell you. If you want to know if you two ...Missing: digital Nintendo
  20. [20]
    1969 Nintendo LOVE TESTER Vintage Electronic Handheld ... - eBay
    This is the legendary Nintendo Love Tester, released in 1969 – a true museum-quality piece of gaming history. Complete with its original box and carrying case, ...
  21. [21]
    Extremely rare 1969 Nintendo LOVE TESTER & 1960's HANAFUDA ...
    Extremely rare 1969 Nintendo LOVE TESTER & 1960's HANAFUDA cards SET Yokoi Japan ; Sold See similar items £220.00 Buy It Now, £15.00 Shipping, eBay Money Back ...
  22. [22]
    Playing With Power: The Nintendo Story (Documentary Series Review)
    Mar 6, 2021 · Playing With Power: The Nintendo Story (Documentary Series Review) ... Creations such as an extendable arm and a “love tester” paved the ...
  23. [23]
    “Love is Over” – Gaming a Love Tester | Physiological Computing
    Nov 17, 2013 · The love tester is probably one of the most familiar, and oldest, commercial biofeedback games around. Its function is to assess the sexual magnetism of the ...
  24. [24]
    Exhibits | Nintendo Museum
    Love Tester SP. The Love Tester measures the Love Level of two people holding hands. Take on various tests to raise your Love Level even higher.Missing: appeal fan recreations