Optoelectronic device, information apparatus and data transmission system using optoelectronic device for simplifying wirings and reducing size, and method of controlling the optoelectronic device
First Claim
1. An optoelectronic device adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like, said device comprising:
- at least one of a light emitting element for emitting light and a light receptacle element for receiving light and outputting a signal according to the received light;
means for storing a self identification code of said device;
means, responsive to a control signal applied to said device, connected to said storing means, for determining a coincidence between said self identification code stored in said storing means and an identification code on the control signal; and
means connected to said determining means for driving at least one of said elements when said self identification code coincides with said identification code in accordance with a determined result of said determining means; and
means for outputting a signal associated with at least one of said elements when at least one of said elements is driven by said driving means.
1 Assignment
0 Petitions
Accused Products
Abstract
An optoelectronic device for sensing an object without any contact, the optoelectronic device being adapted to be connected to a control device which is capable of sending an identification code to the optoelectronic device, the optoelectronic device includes an optoelectronic element (110, 111) for receiving an input signal and for converting the received signal into an electrical signal, an address memory (121) for storing a self identification code, a determining unit (126) connected to the address memory (121) for determining a coincidence between the self identification code stored in the address memory (121) and the identification code sent from the control device, and an activating unit (127) connected to the determining unit (126) for driving the optoelectronic element (110, 111) at a time when the self identification code coincides with the identification code.
25 Citations
71 Claims
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1. An optoelectronic device adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like, said device comprising:
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at least one of a light emitting element for emitting light and a light receptacle element for receiving light and outputting a signal according to the received light; means for storing a self identification code of said device; means, responsive to a control signal applied to said device, connected to said storing means, for determining a coincidence between said self identification code stored in said storing means and an identification code on the control signal; and means connected to said determining means for driving at least one of said elements when said self identification code coincides with said identification code in accordance with a determined result of said determining means; and means for outputting a signal associated with at least one of said elements when at least one of said elements is driven by said driving means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An apparatus comprising:
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a plurality of optoelectronic devices adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like, each device comprising at least one of a light emitting element for emitting light, and a light receptacle element for receiving light and outputting a signal according to the received light, means for storing a self identification code means, responsive to a control signal applied to said device, connected to said storing means for determining a coincidence between said self identification code and an identification code on the control signal, and means connected to said determining means for driving at least one of said elements when said self identification code coincides with said identification code in accordance with a determined result of said determining means, and means for outputting a signal associated with at least one of said elements when at least one of said elements is driven by said driving means; a single bus having a line for transmitting a plurality of identification codes each corresponding to each optoelectronic device; and a controller connected to said optoelectronic device through said single bus for delivering a control signal having an identification code to drive a desired optoelectronic device. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. An optoelectronic device adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like and to be connected in series with other of said optoelectronic devices, said device comprising:
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at least one of a light emitting element for emitting light and a light receptacle element for receiving light and outputting a signal according to the received light; driving means for driving at least one of said light emitting and light receptacle elements in response to one of a control signal applied to said device and an output signal delivered by another optoelectronic device at a previous stage in the series; first output means for outputting a data signal associated with at least one of said elements when at least one of said elements is driven by said driving means; and second output means for outputting an output signal for driving another same device at a next stage in the series after at least one of said elements is driven by said driving means. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An apparatus comprising:
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a plurality of optoelectronic devices each adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like and to be connected in series with others of the optoelectronic devices, each device comprising at least one of a light emitting element for emitting light and a light receptacle element for receiving light and outputting a signal according to the received light, driving means for driving at least one of said light emitting and light receptacle elements in response to one of a control signal applied to said device and an output signal delivered by another optoelectronic device at a previous stage in the series, first output means for outputting a data signal associated with at least one of said elements when at least one of said elements is driven by said driving means, and second output means for outputting an output signal for driving another same device at a next stage in the series after at least one of said elements is driven by said driving means; and a controller connected to at least one optoelectronic device, which is located at one end of the series, for applying said control signal to the devices. - View Dependent Claims (39, 40, 41, 42)
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43. An optoelectronic device adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like, said device comprising:
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a light emitting element for emitting a light; a light receptacle element for receiving the light emitted by said light emitting element and outputting a signal according to the received light; first storage means for storing a self identification code of said device; second storage means for storing current data in accordance with the signal; means for driving said light receptacle element to obtain the current data; and means for outputting both said self identification code and the current data when the current data are changed. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51)
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52. An apparatus comprising:
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a plurality of optoelectronic devices each adapted to be incorporated in an electronic circuit of an electronic apparatus such as a printer, a copying machine, a facsimile or the like, each device comprising a light emitting element for emitting light, a light receptacle element for receiving the light emitted by said light emitting element and outputting a signal according to the received light, first storage means for storing a self identification code of said device, second storage means for storing current data in accordance with the signal, means for driving said light receptacle element to obtain the current data, and means for outputting both said self identification code and the current data when the current data is changed; a data line connected to said devices for transmitting each self identification code and each current data output by each device; and a controller connected to said devices through said data line for receiving each self identification code and each current data. - View Dependent Claims (53, 54, 55, 56)
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57. An optoelectronic circuit mechanically and electrically connected to an electronic apparatus having multiple such optoelectronic circuits comprising:
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a light generator; a light detector for detecting light generated by the light generator; a memory for storing a device code that identifies the optoelectronic device; a comparator, responsive to a control signal including address information transmitted from the electronic apparatus, for detecting a coincidence between the device code and the address information; and a driver for activating the light generator and the light detector in response to the coincidence detected by the comparator, wherein the light detector generates a status signal that indicates whether light from the light generator is detected. - View Dependent Claims (58, 59, 60, 61, 62)
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63. An apparatus comprising:
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plural optoelectronic devices, each device incorporated as a single integrated circuit in the apparatus and including; a light generator; a light detector; a memory for storing an identifying code; a comparator for determining a correspondence between a received address signal and the identifying code; and a driver for activating at least one of the light generator and light detector in response to the correspondence, wherein the light detector generates a status signal indicating the presence or absence of an object located between the light generator and the light detector based on the amount of light received by the light detector, a single bus connected to the plural optoelectronic devices, and a controller for transmitting address signals to the plural optoelectronic devices and receiving status signals from each addressed optoelectronic device over the single bus. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70)
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71. A data transmission system with simplified wirings and reduced size, comprising:
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a plurality of optoelectronic devices incorporated as integrated electronic circuits into an electronic apparatus for sensing an object without physically contacting said object, said plurality of optoelectronic devices each having an optoelectronic element; and a control device connected to said plurality of optoelectronic devices through a common single signal line for sending identification codes to each of said plurality of optoelectronic devices.
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Specification