Patent EP0165548A2 successfully refreshed from Google Patents.
EP0165548A2
Expired / Lapsed
EP
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Small electronic apparatus with optical input device
Assignee: Casio Computer Co Ltd
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Filing: 1985-06-13
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Granted: —
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Expires: 2005-06-13
Abstract
Abstract A small electronic apparatus with an optical input device has an apparatus case (1) for housing a main body therein, the apparatus case (1) being provided with an optical input section (3), at least part of which is constituted by a light-transmitting member exposed to the atmosphere, a photosensor (in) arranged in the apparatus case (1) at a position opposite to the optical input section (3), and a logic circuit arranged in LSI (9) for receiving and processing, as an input signal associated with the main body, an output from the photosensor (In).
Inventors
- 👤 Hiroyuki Suetaka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 03:06
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/042; G04; G04G; G04G21/00; G04G21/08; G06F3/0421
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
82 words
A small electronic apparatus with an optical input device comprising: an apparatus case for housing a main body therein, said apparatus case being provided with an optical input section, at least part of which is constituted by a light-transmitting member exposed to the atmosphere; a photosensor arranged in said apparatus case at a position opposite to said optical input section; and a logic circuit for receiving and processing, as an input signal associated with said main body, an output from said photosensor.
Claim 2
Dependent Claim
82 words
A small electronic apparatus with an optical input device comprising: an apparatus case for housing a main body therein, said apparatus case being provided with an optical input section, at least part of which is constituted by a light-transmitting member exposed to the atmosphere; a photosensor arranged in said apparatus case at a position opposite to said optical input section; and a logic circuit for receiving and processing, as an input signal associated with said main body, an output from said photosensor.
Claim 3
Dependent Claim
21 words
An apparatus according to claim 1, characterized in that said photosensor is arranged on a lower surface of said light-transmitting member.
Claim 4
Dependent Claim
34 words
An apparatus according to claim 1, characterized in that said apparatus case has a plurality of photosensors housed therein, and said logic circuit generates a plurality of signals corresponding to said plurality of photosensors.
Claim 5
Dependent Claim
61 words
An apparatus according to claim 3, characterized in that said plurality of photosensors are arranged in a matrix form so as to correspond to data to be input, and said logic circuit includes means for detecting outputs from said plurality of photosensors arranged in the matrix form and generating a signal corresponding to one of said photosensors having the smallest output.
Claim 6
Dependent Claim
63 words
An apparatus according to claim 1, characterized in that said apparatus case has a plurality of photosensors housed therein, and said logic circuit comprises means for obtaining trace data in accordance with outputs from said plurality of photosensors when data to be registered is traced on said plurality of photosensors through said optical input section and recognition means for recognizing the trace data.
Claim 7
Dependent Claim
53 words
An apparatus according to claim 1, characterized in that said logic circuit comprises means for detecting a photo direction of external light in accordance with an output from said photosensor, and correcting means for correcting a signal from said photosensor in accordance with the photo direction detected by said photo direction detecting means.
Claim 8
Dependent Claim
59 words
An apparatus according to claim 1, characterized in that a touch switch of the light-transmitting member comprising a transparent member is formed on a surface of said optical input section, and said logic circuit includes means for detecting that a human body is brought into contact with said touch switch so as to detect the output from said photosensor.
Claim 9
Dependent Claim
50 words
An apparatus according to claim 1, further comprising an electrooptical display device arranged to oppose said optical input section in said apparatus case to display a signal generated from said logic circuit, said photosensor being formed in a small size between said optical input section and said electrooptical display device.
Claim 10
Dependent Claim
36 words
An apparatus according to claim 8, characterized in that said logic circuit comprises means for generating a signal representing a photosensor function to said electrooptical display device, said signal being used to display the photosensor function.
Claim 11
Dependent Claim
30 words
An apparatus according to claim 8, characterized in that said logic circuit comprises current time counting means for obtaining a current time which is displayed on said electrooptical display device.
Claim 12
Dependent Claim
16 words
An apparatus according to claim 10, characterized in that said apparatus case comprises a wristwatch case.
Claim 13
Dependent Claim
32 words
An apparatus according to claim 1, further comprising an electrooptical display device arranged to oppose said optical input section in said apparatus case, said photosensor being formed below said electrooptical display device.
Claim 14
Dependent Claim
30 words
An apparatus according to claim 12, characterized in that said logic circuit comprises current time counting means for obtaining a current time which is displayed on said electrooptical display device.
Claim 15
Dependent Claim
16 words
An apparatus according to claim 12, characterized in that said apparatus case comprises a wristwatch case.
Claim 16
Dependent Claim
50 words
An apparatus according to claim 12, characterized in that said logic circuit comprises driving means for selectively driving a plurality of display elements in said electrooptical display device in a predetermined sequence, and means for detecting the output from said photosensor while said driving means drives said electrooptical display device.
Claim 17
Dependent Claim
22 words
An apparatus according to claim 1, characterized in that said photosensor comprises a line sensor which reads a character from a document.
Claim 18
Dependent Claim
25 words
An apparatus according to claim 16, characterized in that said, optical input section is also formed at a lower surface side in said apparatus case.
Claim 19
Dependent Claim
26 words
An apparatus according to claim 17, further comprising a photoconductive member for guiding external light from the upper surface of said apparatus case to the document.
Claim 20
Dependent Claim
37 words
An apparatus according to claim 16, further comprising an electrooptical display device arranged in a position opposite to that of said photosensor in said apparatus case so as to display a signal generated from said logic circuit.
Claim 21
Dependent Claim
19 words
An apparatus according to claim 19, further comprising illuminating means for illuminating said electrooptical display device and the document.
Claim 22
Dependent Claim
30 words
An apparatus according to claim 19, characterized in that said logic circuit comprises current time counting means for obtaining a current time which is displayed on said electrooptical display device.
Claim 23
Dependent Claim
16 words
An apparatus according to claim 19, characterized in that said apparatus case comprises a wristwatch case.
References Cited (Backward Citations)
No citation records indexed.
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