Device for displaying in response to a sensed motion
A device includes a signaling means and a motion sensor, and logic for activating or controlling the signaling means in response to a sensed motion according to an embedded logic. The device may be used as a toy, and may be shaped like a play ball or as a handheld unit. It may be powered from a battery, either chargeable from an AC power source directly or contactless by using induction or by converting electrical energy from harvested kinetic energy. The embedded logic may activate or control the signaling means, predictably or randomly, in response to sensed acceleration magnitude or direction, such as sensing the crossing of a preset threshold or sensing the peak value. The visual means may be a numeric display for displaying a value associated with the count of the number of times the threshold has been exceeded or the peak magnitude of the acceleration sensed.
1 . A method for induction-based contactless charging comprising:
producing, by a sensor in a device, an output that responds to a physical phenomenon;
visually displaying, by a display in the device that comprises a visible light emitter, information to a person;
executing, by a processor in the device, a software;
affecting, by an electric actuator in the device, a physical movement;
powering, by a rechargeable battery in the device, the display, the processor, and the electric actuator;
inductively receiving, by an induction coil in the device, AC power when in an electromagnetic field; and
charging, by a battery charger in the device, the rechargeable battery from the received AC power,
wherein the sensor, the processor, the rechargeable battery, the electric actuator, the battery charger, and the induction coil, are housed in an enclosure dimensioned and shaped as a handheld enclosure, and
wherein the information displayed to the person is in response to the sensor output.
2 . The method according to claim 1 , further comprising housing the rechargeable battery in a battery compartment that is mechanically secured to the enclosure.
3 . The method according to claim 2 , wherein the enclosure further comprises a securely removable cover for covering the battery compartment, so that when the cover is removed the battery compartment is accessible for replacing the rechargeable battery.
4 . The method according to claim 1 , wherein the sensor comprises a motion sensor, and wherein the physical phenomenon comprises a position, orientation, or motion of the device.
5 . The method according to claim 4 , wherein the motion sensor comprises an accelerometer attached to the enclosure.
6 . The method according to claim 5 , wherein the accelerometer comprises a piezoelectric, piezoresistive, capacitive, Micro-mechanical Electrical Systems (MEMS), or electromechanical accelerometer.
7 . The method according to claim 5 , wherein the accelerometer is responsive to an absolute acceleration or to a relative-to-freefall acceleration of the enclosure.
8 . The method according to claim 5 , wherein the accelerometer is responsive to a magnitude or a direction of a device acceleration.
9 . The method according to claim 5 , wherein the accelerometer comprises a single-axis or two-axis accelerometer.
10 . The method according to claim 5 , wherein the accelerometer comprises a three-axis accelerometer.
11 . The method according to claim 10 , wherein the accelerometer comprises three distinct accelerometers each responsive to an absolute acceleration or to a relative-to-freefall acceleration in a distinct direction.
12 . The method according to claim 5 , wherein the accelerometer comprises a piezoelectric accelerometer that utilizes a piezoelectric effect and comprises piezoceramics or a single crystal or quartz.
13 . The method according to claim 1 , wherein the visible light emitter comprises a Light Emitting Diode (LED).
14 . The method according to claim 13 , wherein the LED is a multi-color LED.
15 . The method according to claim 14 , wherein the displaying comprises illuminating in multiple colors, and wherein a device status is indicated by a color or by changing between colors.
16 . The method according to claim 13 , wherein the status is indicated by steadiness, blinking, intensity level, duty-cycle, or flashing, of an illumination of the LED.
17 . The method according to claim 1 , wherein the display comprises a numerical display and wherein the displaying comprises displaying one or more digits representing a number.
18 . The method according to claim 17 , wherein the numerical display comprises a seven-segments display.
19 . The method according to claim 1 , wherein the visible light emitter comprises an alphanumeric display, and wherein the displaying comprises displaying characters, numbers, letters, or symbols.
20 . The method according to claim 19 , wherein the displaying comprises displaying of scrolling, static, or flashing words or characters.
21 . The method according to claim 1 , wherein the display comprises a flat-panel digital display, and wherein the displaying comprises displaying graphical or text information.
22 . The method according to claim 21 , wherein the digital display comprises a Liquid Crystal Display (LCD), a Thin-Film Transistor (TFT), or a Field Emission Display (FED) display.
23 . The method according to claim 1 , wherein the display comprises a DLP display or a video projector.
24 . The method according to claim 1 , wherein the handheld enclosure further houses the display.
25 . The method according to claim 1 , wherein the processor is coupled to the display over a digital network.
26 . The method according to claim 25 , wherein the digital network comprises a Personal Area Network (PAN).
27 . The method according to claim 25 , wherein the digital network comprises a Local Area Network (LAN).
28 . The method according to claim 25 , wherein the digital network uses, or is based on, a wired medium.
29 . The method according to claim 1 , further comprising emitting, by an audible signaling component, an audible sound indicating a status to the person, in response to the sensor output.
30 . The method according to claim 29 , wherein the audible signaling component comprises an electro-mechanical, an electro-acoustical transducer, or a piezoelectric sounder.
31 . The method according to claim 29 , wherein the audible signaling component comprises a loudspeaker, the method further comprising storing, in a memory in the device, the audible sound in a digital form; and sounding, by the loudspeaker, the stored audible sound.
32 . The method according to claim 31 , wherein the stored audible sound comprises a speech synthesis or a recorded human voice.
33 . The method according to claim 31 , wherein the audible signaling component a buzzer, a chime, a whistler, or a ringer.
34 . The method according to claim 31 , wherein the emitted audible sound comprises a single tone, multiple tones, a melody, or a music.
35 . The method according to claim 34 , wherein the music comprises a sound of a conventional acoustic musical instrument.
36 . The method according to claim 31 , wherein the emitted audible sound comprises a song or a human voice that is synthesized or recorded.
37 . The method according to claim 29 , wherein the hand-held enclosure further houses the audible signaling component.
38 . The method according to claim 1 , wherein the display is part of, a notebook computer, a laptop computer, a media player, a cellular telephone, a Personal Digital Assistant (PDA), a digital camera, a video recorder, or any combination thereof.
39 . The method according to claim 1 , further comprising producing, by a random number generator coupled to the processor, a random number, wherein the information is displayed in response to the random number.
40 . The method according to claim 39 , wherein the random number generator is a hardware-only based generator.
41 . The method according to claim 39 , wherein the random number generator is based on a physical process.
42 . The method according to claim 41 , wherein the physical process is one of a thermal noise, a shot noise, decaying nuclear radiation, a photoelectric effect, and a quantum phenomenon.
43 . The method according to claim 39 , wherein the random number generator is software-based, and the processor executes a random number generator software.
44 . The method according to claim 43 , wherein the random number generator software includes an algorithm for generating pseudo-random numbers.
45 . The method according to claim 1 , further comprising amusing a person or a pet as a toy or game.
46 . The method according to claim 45 , wherein the enclosure is configured, dimensioned, formed, or structured as a toy or game.
47 . The method according to claim 1 , wherein the enclosure is ball-shaped, or wherein the enclosure cross section is round or oval shaped.
48 . The method according to claim 1 , wherein the enclosure is substantially shaped as a cylinder, half-sphere, prolate-spheroid, football, or ovoid.
49 . The method according to claim 1 , further comprising producing, by an additional sensor in the enclosure that is coupled to the processor, an additional output responsive to an additional physical phenomenon.
50 . The method according to claim 49 , wherein information is displayed by the display in response to the additional output.
51 . The method according to claim 49 , wherein the additional sensor is an electric sensor that responds to an electrical characteristics or electrical phenomenon quantity in an electrical circuit.
52 . The method according to claim 51 , wherein the electric sensor comprises a voltage or current sensor.
53 . The method according to claim 1 , wherein the sensor is a light sensor.
54 . The method according to claim 53 , wherein the light sensor comprises a photocell.
55 . The method according to claim 1 , wherein the sensor is a force sensor.
56 . The method according to claim 55 , wherein the force sensor comprises a pressure sensor.
57 . The method according to claim 1 , wherein the electric actuator is a motion actuator that comprises a motor or a fan.
58 . The method according to claim 1 , further comprising counting, by a counter coupled to the processor, a number of events, and wherein the displayed information is in response to the counted events.
59 . The method according to claim 1 , further comprising measuring, by a timer in the enclosure, a time interval.
60 . The method according to claim 59 , wherein the information displayed is in response to the measured time interval.