WO2007112124A2 - Doll system with resonant recognition - Google Patents

Doll system with resonant recognition Download PDF

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Publication number
WO2007112124A2
WO2007112124A2 PCT/US2007/007749 US2007007749W WO2007112124A2 WO 2007112124 A2 WO2007112124 A2 WO 2007112124A2 US 2007007749 W US2007007749 W US 2007007749W WO 2007112124 A2 WO2007112124 A2 WO 2007112124A2
Authority
WO
WIPO (PCT)
Prior art keywords
signal
doll
circuit
frequency
response
Prior art date
Application number
PCT/US2007/007749
Other languages
English (en)
French (fr)
Other versions
WO2007112124A3 (en
Inventor
Vladimir Sosnovskiy
Mihai Cartianu
Original Assignee
Mattel, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mattel, Inc. filed Critical Mattel, Inc.
Priority to CA2646353A priority Critical patent/CA2646353C/en
Priority to CN200780018373.XA priority patent/CN101448554B/zh
Priority to EP07754292A priority patent/EP2001570A4/de
Priority to MX2008012125A priority patent/MX2008012125A/es
Publication of WO2007112124A2 publication Critical patent/WO2007112124A2/en
Publication of WO2007112124A3 publication Critical patent/WO2007112124A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H3/00—Dolls
    • A63H3/28—Arrangements of sound-producing means in dolls; Means in dolls for producing sounds
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H3/00—Dolls
    • A63H3/36—Details; Accessories
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H2200/00—Computerized interactive toys, e.g. dolls

Definitions

  • the present disclosure relates generally to toy dolls with electronics, and more specifically to toy dolls incorporating electronics to sense or identify accessories and generate sounds that correspond or relate to accessories that are sensed or identified.
  • the present disclosure relates to a toy doll of an infant and accessories commonly associated with an infant such as a crib, a spoon or a stroller.
  • the doll may have sensor circuits in specific body areas.
  • the sensor circuits may be associated with specific accessories.
  • the doll may be configured to respond to accessories that are close to the sensor circuits by making sounds or vocalizations appropriate to accessories that are sensed or identified.
  • the doll may say “Yum” when a spoon is brought in proximity to the doll's mouth. If the doll is placed in the cradle on its back, the doll may say “Night-night.” If the spoon is near the back or other parts of the doll, or if the doll is placed in the cradle on its front, no response may be generated by the doll.
  • the doll may differentiate the specific accessories using a plurality of sensor circuits in the doll and inductor/capacitor (LC) or tank circuits in the accessories.
  • Each sensor circuit may be disposed at specific locations such as in the hand, the mouth, the back or the wrist.
  • Each sensor circuit may be controlled by a processor or a switching mechanism to operate sequentially and independently from the other sensor circuits.
  • the doll circuits may operate by emitting a drive signal and listening for a characteristic in a return signal.
  • a return signal frequency generated by a proximate accessory may be detected and characterized by the processor.
  • the processor may detect characteristics of the return signal by selecting an audio file from memory and generating an appropriate infant sound at a speaker.
  • the toy doll may have multiple appropriate responses to a specific object. For example, the doll may say “Yum” or “Good” or “More” when the bottle is near the doll's mouth.
  • the doll may have the ability to respond in different languages.
  • the language spoken by the doll may be determined by an accessory worn by the doll.
  • the accessory for example, may be a bracelet with an LC circuit.
  • Fig. 1 is a perspective view of an exemplary toy doll with a toy bottle showing the bottle, including an LC circuit shown in cutaway, positioned close to the doll's mouth, with a sensor circuit in the doll's head shown in cutaway, and the doll generating an appropriate phrase in response to detection of the bottle in proximity to the doll's head.
  • Fig. 2 is a perspective view showing the toy doll and exemplary associated toy accessories including a toy, a spoon, a bottle, two bracelets, a stroller and a crib, each with a sensor circuit.
  • Fig. 3 is a block diagram of an exemplary object recognition circuit including sensor circuits, accessory LC circuits, a microprocessor, memory, a signal analysis circuit, an output and a switch.
  • Fig. 4A is a diagram of a portion of the electronic doll diagram of Fig. 3 showing the function of drive signals in relation to sensor circuits, a processor or CPU, memory, a speaker and accessory circuits.
  • Fig. 4B is a diagram of a portion of the electronic doll components of Fig. 3 showing the function of return signals in relation to sensor circuits, a processor or CPU, memory, a speaker and accessory circuits.
  • Fig. 5 is an exemplary table that may be stored in memory to index audio files to frequencies.
  • Fig. 6 is an exemplary table that may be stored in memory to index audio files to frequency ranges and associated sensor circuits.
  • Fig. 7 is a flow chart of steps that may be used for object recognition in a doll using sensor circuits and accessories with LC circuits. Detailed Description
  • an exemplary resonant object recognition system 10 including a doll 12 and an accessory 13, such as a toy bottle 14.
  • doll 12 is emitting the phrase "Yum! Good!” as a result of the doll detecting bottle 14 being near the mouth of doll 12.
  • Doll 12 includes a sensor circuit 17, such as a sensor circuit 18 shown in cutaway near the mouth of doll 12.
  • Bottle 14 includes a transponder circuit 15 such as an inductor/capacitor or LC circuit 16 shown in cutaway. By detecting the proximity of circuit 16 in bottle 14 to sensor circuit 18, doll 12 may generate sounds.
  • Fig. 2 is a perspective view of a second exemplary toy doll 12 of Fig. 1 showing additional accessories 13 and sensor circuits 17. For clarity, similar numbering is used here and in subsequent figures for similar features and components.
  • Fig. 2 includes sensor circuit 18 at the mouth of doll 12, sensor circuit 20 at the back of doll 12, sensor circuit 22 at the chest of doll 12 and sensor circuit 24 at the wrist of doll 12.
  • the sensor circuits may have inductors with the same or with different inductance values
  • accessories 13 include a spoon 26 with a circuit 28, a bottle 30 with a circuit 32, a toy 34 with a circuit 36, a stroller 38 with a circuit 40, a crib 42 with a circuit 44 and bracelets 46 and 48 with respective circuits 50 and 52. These accessories may be associated with one or more sensor circuits 17 of doll 12.
  • Doll 12 and associated accessories may be configured so that when a specific accessory is proximate to a specific sensor circuit, appropriate sounds and utterances are generated from doll 12.
  • Other forms of outputs such as visual or motion based outputs may also be used.
  • bottle 30 near sensor circuit 18 at the mouth of doll 12 may cause the doll to generate a response.
  • Bottle 30 near sensor circuit 24 at the wrist of doll 12 may generate no response from doll 12 or a different response.
  • Sensor circuits 17 may each comprise an inductor 54 with a value of inductance distinct from other sensor circuits.
  • Each transponder circuit 15 associated with an accessory 13 may be as simple as an LC circuit including an inductor 56 and a capacitor 58 with a resonant frequency.
  • Each accessory 13 and transponder circuit 15 may be configured to elicit a specific response from each of one or more sensor circuit in doll 12.
  • An accessory may be associated with one, or more than one sensor circuit.
  • sensor circuit 18 may be associated with spoon 26 with circuit 28 and bottle 30 with circuit 32.
  • Sensor circuit 20 may be on the back of doll 12.
  • Sensor circuit 20 may be associated with stroller 38 and stroller circuit 40 and crib 42 and crib circuit 44.
  • Sensor circuit 18 may be near the doll's mouth.
  • Sensor circuit 22 may be associated with the chest of doll 12 and may also be associated with toy 34 with circuit 36.
  • Circuit 100 includes a processor 102, a signal analysis circuit 104, a switch 106, memory 108 a output or speaker 110, a drive circuit 111 , sensor circuit 18 with an inductor 112, sensor circuit 20 with an inductor 114, and sensor circuit 22 with an inductor 116.
  • LC circuit 28 is shown inductively coupled to inductor 112
  • LC circuit 32 is shown inductively coupled to inductor 114
  • LC circuit 36 is shown physically separated and inductively uncoupled from inductor 116.
  • Signal analysis circuit 104 is common in the art. Some examples of signal analysis circuits are peak detectors, edge detectors, waveform comparators, and comparators with binary counters. Some signal analysis circuits determine a frequency for the signal. Some methods determine amplitude, rise time and/or signal decay. Signal analysis circuit 104 may include amplifier circuits, comparators, binary counters and/or other components. Optionally, signal analysis functions of circuit 104 may be included in a processor or controller 102'.
  • Switch 106 may function to selectively connect processor 102 to one or more sensor circuits. Switch 106 functionality also may be performed by processor 102. Switch 106 also may function by action of an applied drive signal or by a separate control signal, such as a control signal 118 generated by processor 102. Optionally, switch functions may be included in processor or controller 102'.
  • Memory 108 may store software commands, algorithms, waveform characterization libraries and output files.
  • sensor circuits 18, 20, 22 each include respective signal lines 120, 122, 124 that function as both inputs and outputs for the sensor circuits.
  • the inputs are connected to drive circuit 111 or controller 102', and separate outputs are connected to signal analysis circuit 104, through associated switches.
  • Drive circuit 111 may generate a drive signal that is applied to the selected sensor circuit.
  • Drive circuit 111 may generate a square-wave pulse, a sinusoidal signal or other suitable signal to which the accessory transponder circuits are responsive.
  • Drive circuit functionality may also optionally be included in controller
  • Processor 102 may operate in a first mode and a second mode.
  • Drive circuit 111 may apply a drive signal to a selected sensor circuit in the first mode.
  • processor 102 may record or detect characteristics of a signal received from a selected sensor circuit and analyzed by signal analysis circuit 104. Any signal characteristic may be used that operably differentiates specific signals that are consistent with the operation of transponder circuits 15. Signal frequency is used in the following examples and descriptions below for clarity but other or different signal characteristics could be used.
  • Fig. 4A illustrates a simplified version of exemplary circuit 100 of Fig. 3 in the first mode of operation.
  • Drive circuit 111 may energize inductor 112 of sensor circuit 18 with an appropriate signal on input 120, such as with a sinusoidal or a current-pulse drive signal 202.
  • Circuit 18 when energized by drive signal 202 may emit an electromagnetic and/or inductive drive signal 204 at inductor 112.
  • Sensor circuit inductor 112 and accessory LC circuit 28 may be inductively coupled when sufficiently proximate to each other.
  • LC circuit 28 When LC circuit 28 is proximate to inductor 112 while the inductor is emitting inductive drive signal 204, LC circuit 28 resonates at a characteristic frequency, producing a resonant signal 206 with the frequency.
  • Fig. 4B illustrates simplified circuit 100 in the second mode of operation.
  • an inductive return signal 208 with the frequency is generated.
  • a conductive return signal 210 is correspondingly induced in inductor 112 of sensor circuit 18 by inductive return signal 208, which return signal exists on line 120.
  • Processor 102 and/or signal analysis circuit 104 monitors return signal 210 for the frequency.
  • Processor 102 compares the determined signal characteristic, i.e. the frequency, against a library or table of known characteristics. If the signal characteristic matches an entry in the library, processor 102 may select the corresponding indexed audio file from memory 108 and send an associated audio signal to speaker 110 to produce a corresponding sound.
  • processor 102 may select the corresponding indexed audio file from memory 108 and send an associated audio signal to speaker 110 to produce a corresponding sound.
  • drive signal 202 is applied to sensor circuit 1 ⁇ without LC circuit 28 being proximate, a return signal 210 with library referenced characteristics may not be generated. Because accessory LC circuits use components with distinct values that produce signals with characteristic resonant frequencies, inductive return signal 208, and conductive return signal 210 in inductively coupled sensor circuit
  • Each accessory LC circuit may have a resonant frequency determined by the inductance values and capacitance values of the LC circuit components. If L is the inductance in henries and C is the capacitance in farads, the resonant frequency of each LC circuit is determined by the equation 1/(2 * ⁇ * (L * C) Vi ) where TT is pi.
  • the effective inductance and subsequently the frequency of resonant signal 206 generated in the LC circuit may be affected by nearby inductors not connected to the circuit, such as inductor 112.
  • the actual frequencies of signals 206, 208 and 210 may be a function of the LC circuit component values, sensor circuit inductance values and the distance between LC circuit components and sensor circuit inductors.
  • sensor circuits are used in the following examples for the purpose of description and illustration. Any of sensor circuits 18, 20, 22 and 24 as well as other accessory LC circuits may operate in a similar manner. Other forms of inductive or electromagnetic communication may also be used.
  • LC circuit 28 may be part of toy spoon 26.
  • Sensor circuit 18 may be located near the doll's mouth.
  • Accessory LC circuit 28 may include an inductor of 3.9 millihenry and a capacitor of 470 picofarad. LC circuit 28 with these component values has a resonant frequency of 118 kilohertz.
  • Sensor circuit 18 located near the mouth of doll 12 may include inductor 112 with 400 turns of wire.
  • Sensor circuit 20 may be located in the back of doll 12 and may include an inductor 114 with 200 turns of wire.
  • the inductors may act as antennas and may or may not be functionally associated with other passive components.
  • doll sensor circuit 18 may comprise an inductor and a capacitor or an inductor and a resistor.
  • toy spoon 26 is initially not located near doll 12.
  • Sensor circuit 18 with inductor 112 positioned at the mouth of doll 12 may be connected to processor 102 by switch 106.
  • a drive signal 202 may be generated by drive circuit 111 in sensor circuit 18 and inductor 112.
  • Processor 102 may then monitor sensor circuit 18 to determine if a return signal 210 with a characteristic frequency exists. No characteristic frequency may be generated since LC circuit 28 and spoon 26 are not near doll 12.
  • Drive circuit 111 next may generate a drive signal 202 in sensor circuit 20.
  • Processor 102 may monitor sensor circuit 20 for return signal 210 with a characteristic frequency.
  • Processor 102 may continue to sequence serially through all sensor circuits in this manner. During sequencing through the sensor circuit, toy spoon 26 and associated
  • LC circuit 28 may be positioned near the mouth of doll 12. and inductor 112. Drive signal 202 in selected sensor circuit 18 and inductor 112 may then generate an inductive drive signal 204 from inductor 112 as has been described with reference to Fig. 4A. LC circuit 28 in accessory 26 being inductively coupled to inductor 112, produces a resonant signal 206.
  • Resonant signal 206 in LC circuit 28 generates an associated inductive return signal 208 and a return signal 210 in the inductively coupled sensor circuit 18.
  • This return signal 210 may be characterized at signal analysis circuit 104.
  • Processor 102 may determine the peak count and/or frequency produced by signal analysis circuit 104 and compares these parameters to the signal parameter library in memory 108.
  • Processor 102 may find specific signal characteristics in the library that match a determined signal characteristic and indexes an audio file. This may indicate that LC circuit 28 is proximate to inductor 112. Audio files in memory 108 may be indexed to signal characteristics such as a specific frequency or proximity of an accessory to a sensor circuit. Processor 102 may select a specific audio file according to the determined signal criteria. Processor 102 may replay the selected files to generate appropriate sounds at speaker 110. The sounds may be appropriate to the proximate accessory and the selected sensor circuit. Processor 102 may use other signal characteristics than peak count and/or frequency to select an audio file from the library.
  • toy spoon 26 and associated LC circuit 28 are near the back of doll 12.
  • Inductor 114 of sensor circuit 20 is also located at the back of doll 12.
  • Sensor circuit 20, in this example, is not configured to respond to toy spoon 26 and is not associated with it.
  • Drive signal 202 to sensor circuit 20 will result in inductive drive signal 204 from inductor 114 of sensor circuit 20.
  • the inductor of LC circuit 28 in accessory 26 will be inductively coupled to inductor 114 and a resonant signal 206 with a frequency will be generated in LC circuit 28.
  • Processor 102 may compare the signal characteristic from the measured frequency and/or peak count and determine that this signal does not match any signals in the library associated with sensor circuit 20. Processor 102 may not generate a signal at speaker 110 in this example. Again, use of sensor circuit 18, sensor circuit 20 and LC circuit 28 and the use of frequency as a signal characteristic are for the purpose of illustration and example. Other sensor circuits and LC circuits will perform in a similar manner. Other signal characteristics may be used instead. In some examples, processor 102 may not select an audio file by determining different frequencies for the same accessory at two different sensor circuits. Processor 102 may differentiate frequency values to within a range and identify the selected sensor circuit. Processor 102 may select an audio file using both frequency and selected circuit parameters in the library.
  • Fig. 5 is an exemplary library or table 200 of audio files 302 indexed to frequencies 304 that may be stored in memory 108. Each row is an entry for one audio file. In the first row an audio file titled "Yum" is indexed to a frequency 400 kHz. When processor 102 determines a return signal has a characteristic frequency of 400 kHz, processor 102 may select the file with this title from memory 108 and replay the file on speaker 110. Where other frequencies are detected, other files may be selected from memory by processor 102.
  • Fig. 6 is an exemplary library or table 300, similar to table 200 in Fig. 5, of audio files 352 indexed to frequency ranges 354 and selected sensor circuit identifiers 356 that may be stored in memory 108.
  • the audio file titled "Yum" is indexed to a frequency range 100-15OkHz and a sensor circuit A.
  • processor 102 When processor 102 is connected to circuit A by switch 106, the processor determines if a return signal 210 has a characteristic frequency between 100 and 150 kHz.
  • Processor 102 may select the file with this title from memory 108 and replay the file to generate sounds on speaker 110. Where other frequencies are detected on the same or on other selected circuits, other files may be selected from memory by processor 102.
  • Table 300 may have additional reference information such as a text reference 358 for the accessory and location represented by the indexes. Some entries in table 300 may indicate the same frequency range and different sensor circuits to generate the same response. For example, entries 360 and 362 in table 300 both have references for a frequency range of 575-65OkHz but entry 360 references selected sensor circuit C and entry 362 references sensor circuit D. Both produce the same response at the output. Other entries may indicate two sets of references with the same frequencies, different sensor circuits selected and different responses generated at the output for each entry.
  • Drive signal 202 generated by drive circuit 111 may be any signal appropriate to produce a response in an associated accessory.
  • drive signals may be in the form of a single pulse or a signal with a frequency related to the resonant frequency of the one or more accessories associated with that sensor circuit.
  • drive circuit 111 may generate a first frequency for a first sensor circuit, a second frequency for a second sensor circuit, and a third frequency for a third sensor circuit.
  • Each frequency of a drive signal 202 may be associated with the resonant frequency of the one or more accessories associated with each sensor circuit when the accessory is proximate to the sensor circuit.
  • Drive circuit 111 may generate a first drive signal 202 and subsequently a second drive signal distinct from the first in a selected sensor circuit.
  • Doll 12 may include other kinds of sensor circuits. Doll 12 may include motion sensor circuits. Doll 12 may include capacitive touch sensor circuits. Motion sensor circuits and touch sensor circuits may be operably connected to and controlled by processor 102.
  • Fig. 7 is a flow chart 400 showing one example of steps that could be used to detect and index a signal in a sensor circuit.
  • processor 102 or switch 106 selects a sensor circuit.
  • drive circuit 111 may apply a drive signal 202 to the selected sensor circuit.
  • an inductive drive signal 204 is transmitted from the selected sensor circuit inductor. Where an LC circuit is proximate to the inductor, the LC circuit is activated to generate a resonant signal 206 with a frequency at step 408, which in turn produces inductive return signal 208 at step 410.
  • Inductive return signal 208 induces return signal 210 in the selected sensor circuit at step 412.
  • Processor 102 and/or signal analysis circuit 104 may characterize (determine a characteristic of) return signal 210 at step 414. If a signal characteristic is determined at step 414 is in the library stored in memory
  • an audio file indexed to the characteristic may be selected at step 418 based on the determined characteristic.
  • the indexed audio file is then played at the speaker 110 in step 420. Control then returns to step
  • step 416 If no reference is found in the library in step 416, control also returns to step
  • the characteristic frequencies of the accessory LC circuits may be preselected to have adequate separation such that the sensor circuit will be able to differentiate between two proximate frequencies.
  • the practical limit of the number of accessories may be a function of the cost and performance of the components in the circuits.
  • the described system and assemblies are examples and are not to be used as limitations.
  • the number of sensor circuits and/or accessories may be more or fewer than those shown.
  • the interconnection, orientation or position of components may vary from the examples. Any suitable configuration or combination of components presented, or equivalents to them that perform a similar function, may also be used.

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PCT/US2007/007749 2006-03-24 2007-03-26 Doll system with resonant recognition WO2007112124A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2646353A CA2646353C (en) 2006-03-24 2007-03-26 Doll system with resonant recognition
CN200780018373.XA CN101448554B (zh) 2006-03-24 2007-03-26 具有谐振识别的玩偶系统
EP07754292A EP2001570A4 (de) 2006-03-24 2007-03-26 Puppensystem mit resonanzerkennung
MX2008012125A MX2008012125A (es) 2006-03-24 2007-03-26 Sistema de muñeca con reconociemiento resonante.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78546406P 2006-03-24 2006-03-24
US60/785,464 2006-03-24
US11/728,222 US20080014830A1 (en) 2006-03-24 2007-03-23 Doll system with resonant recognition
US11/728,222 2007-03-23

Publications (2)

Publication Number Publication Date
WO2007112124A2 true WO2007112124A2 (en) 2007-10-04
WO2007112124A3 WO2007112124A3 (en) 2008-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/007749 WO2007112124A2 (en) 2006-03-24 2007-03-26 Doll system with resonant recognition

Country Status (6)

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US (1) US20080014830A1 (de)
EP (1) EP2001570A4 (de)
CN (1) CN101448554B (de)
CA (1) CA2646353C (de)
MX (1) MX2008012125A (de)
WO (1) WO2007112124A2 (de)

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EP2001570A4 (de) 2011-07-06
CN101448554B (zh) 2012-08-15
US20080014830A1 (en) 2008-01-17
WO2007112124A3 (en) 2008-10-02
CN101448554A (zh) 2009-06-03
CA2646353A1 (en) 2007-10-04
MX2008012125A (es) 2008-12-18
CA2646353C (en) 2012-07-17
EP2001570A2 (de) 2008-12-17

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