EP0424976A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Data reading device and control system having data reading device
Assignee: Canon Inc
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Filing: 1990-10-29
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Granted: —
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Expires: 2010-10-29
Abstract
Abstract A data reading apparatus has a data reading device, which is set in a data read state upon operation of an operation switch, provided with a first timer for measuring a time in which the operation switch is not operated, and a second timer for measuring a time in which no data input is detected while the operation switch is operated, wherein the data reading state is canceled according to an output from the first or second timer.
Inventors
- 👤 Jiro C/O Canon K. K. Tamagawa-Jigyosho Kazumi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10851; G06K7/01; G06K7/016
Claims Analysis
Total Claims: 60
Claim 1
Independent Claim
115 words
A data reading device comprising: (a) data reading means for reading data; (b) an operation switch; (c) first control means for setting said data reading means in a data reading state upon operation of said operation switch; (d) a first timer for measuring a time in which said data reading state is continued even after said operation of said operation switch is canceled; (e) a second timer for measuring a time in which no data is input to said data reading means although said operation switch is operated; and (f) second control means for terminating said reading state of said data reading means on the basis of measurement information of said first and second timers.
Claim 2
Dependent Claim
115 words
A data reading device comprising: (a) data reading means for reading data; (b) an operation switch; (c) first control means for setting said data reading means in a data reading state upon operation of said operation switch; (d) a first timer for measuring a time in which said data reading state is continued even after said operation of said operation switch is canceled; (e) a second timer for measuring a time in which no data is input to said data reading means although said operation switch is operated; and (f) second control means for terminating said reading state of said data reading means on the basis of measurement information of said first and second timers.
Claim 3
Dependent Claim
33 words
A device according to claim 1, wherein said operation of said operation switch is to depress a switch member, and to cancel said operation is to release the depression of said switch member.
Claim 4
Dependent Claim
13 words
A device according to claim 1, wherein said data is a bar code.
Claim 5
Dependent Claim
29 words
A device according to claim 1, wherein said data reading means projects light to said data, and reads a content of said data by light reflected from the data.
Claim 6
Dependent Claim
33 words
A device according to claim 4, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said data reading state.
Claim 7
Dependent Claim
20 words
A device according to claim 1, wherein said data read by said data reading means is stored in a memory.
Claim 8
Dependent Claim
35 words
A device according to claim 1, wherein said first control means keeps said data reading state while an actual data reading action is being performed even after said operation of said operation switch is canceled.
Claim 9
Dependent Claim
35 words
A device according to claim 7, wherein said first control means judges completion of said data reading state in accordance with read data, and thereupon terminates said data reading state of said data reading means.
Claim 10
Dependent Claim
51 words
A device according to claim 1, wherein said second control means terminates said data reading state of said data reading means in response to a count end signal of a first predetermined time of said first timer or a count end signal of a second predetermined time of said second timer.
Claim 11
Dependent Claim
21 words
A device according to claim 9, wherein said second predetermined time is set to be longer than said first predetermined time.
Claim 12
Dependent Claim
32 words
A device according to claim 9, wherein said operation of said operation switch is to depress a switch member, and to cancel said operation is to stop depression of said switch member.
Claim 13
Dependent Claim
13 words
A device according to claim 9, wherein said data is a bar code.
Claim 14
Dependent Claim
29 words
A device according to claim 9, wherein said data reading means projects light to said data, and reads a content of said data by light reflected from the data.
Claim 15
Dependent Claim
33 words
A device according to claim 13, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said data reading state.
Claim 16
Dependent Claim
35 words
A device according to claim 9, wherein said first control means keeps said data reading state while an actual data reading action is being performed even after said operation of said operation switch is canceled.
Claim 17
Dependent Claim
35 words
A device according to claim 15, wherein said first control means judges completion of said data reading state in accordance with read data, and thereupon terminates said data reading operation of said data reading means.
Claim 18
Dependent Claim
112 words
A data reading device comprising: (a) data reading means for reading data; (b) an operation switch; (c) first control means for setting said data reading means in a data reading state upon operation of said operation switch; and (d) second control means for switching said data reading means from said data reading state to a non-reading state, (d-1) said second control means judging completion of said data reading operation according to read data, and thereupon switching to said non-reading, and (d-2) said second control means switching to said non-reading state when no data is input to said data reading means for a predetermined period of time although said operation switch is operated.
Claim 19
Dependent Claim
112 words
A data reading device comprising: (a) data reading means for reading data; (b) an operation switch; (c) first control means for setting said data reading means in a data reading state upon operation of said operation switch; and (d) second control means for switching said data reading means from said data reading state to a non-reading state, (d-1) said second control means judging completion of said data reading operation according to read data, and thereupon switching to said non-reading, and (d-2) said second control means switching to said non-reading state when no data is input to said data reading means for a predetermined period of time although said operation switch is operated.
Claim 20
Dependent Claim
33 words
A device according to claim 17, wherein said operation of said operation switch is to depress a switch member, and to cancel said operation is to release the depression of said switch member.
Claim 21
Dependent Claim
13 words
A device according to claim 17, wherein said data is a bar code.
Claim 22
Dependent Claim
29 words
A device according to claim 17, wherein said data reading means projects light to said data, and reads a content of said data from light reflected by the data.
Claim 23
Dependent Claim
33 words
A device according to claim 20, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said data reading state.
Claim 24
Dependent Claim
35 words
A device according to claim 17, wherein said first control means keeps said data reading state while an actual data reading action is being performed even after said operation of said operation switch is canceled.
Claim 25
Independent Claim
188 words
A system having a data reading device and a data processing device, comprising (A) said data reading device comprising: (A-1) data reading means for reading data; (A-2) an operation switch; (A-3) first control means for setting said data reading means in a data reading state upon operation of said operation switch; (A-4) a first timer for measuring a time in which said data reading state is continued even after said operation of said operation switch is canceled; (A-5) a second timer for measuring a time in which no data is input to said data reading means although said operation switch is operated; (A-6) second control means for terminating said reading state of said data reading means on the basis of measurement information of said first and second timers; and (A-7) output means for outputting said data read by said data reading means to said data processing, device, and (B) said data processing device comprising: (B-1) input means for inputting said data output from said output means of said data reading device; and (B-2) data processing means controlled on the basis of said data input at said input means.
Claim 26
Independent Claim
188 words
A system having a data reading device and a data processing device, comprising (A) said data reading device comprising: (A-1) data reading means for reading data; (A-2) an operation switch; (A-3) first control means for setting said data reading means in a data reading state upon operation of said operation switch; (A-4) a first timer for measuring a time in which said data reading state is continued even after said operation of said operation switch is canceled; (A-5) a second timer for measuring a time in which no data is input to said data reading means although said operation switch is operated; (A-6) second control means for terminating said reading state of said data reading means on the basis of measurement information of said first and second timers; and (A-7) output means for outputting said data read by said data reading means to said data processing, device, and (B) said data processing device comprising: (B-1) input means for inputting said data output from said output means of said data reading device; and (B-2) data processing means controlled on the basis of said data input at said input means.
Claim 27
Dependent Claim
33 words
A system according to claim 23, wherein said operation of said operation switch is to depress a switch member, and to cancel said operation is to release the depression of said switch member.
Claim 28
Dependent Claim
13 words
A system according to claim 23, wherein said data is a bar code.
Claim 29
Dependent Claim
29 words
A system according to claim 23, wherein said data reading means projects light to said data, and reads a content of said data by light reflected from the data.
Claim 30
Dependent Claim
33 words
A system according to claim 26, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said reading operation state.
Claim 31
Dependent Claim
20 words
A system according to claim 23, wherein said data read by said data reading means is stored in a memory.
Claim 32
Dependent Claim
18 words
A system according to claim 28, wherein said data is stored in said memory by a BCD code.
Claim 33
Dependent Claim
35 words
A system according to claim 23, wherein said first control means keeps said data reading state while an actual data reading action is being performed even after said operation of said operation switch is canceled.
Claim 34
Dependent Claim
36 words
A system according to claim 30, wherein said first control means judges completion of said data reading state in accordance with said read data, and thereupon terminates said data reading state of said data reading means.
Claim 35
Dependent Claim
50 words
A system according to claim 23, wherein said second control means stops said reading state of said data reading means in response to a count end signal of a first predetermined time of said first timer or a count end signal of a second predetermined time of said second timer.
Claim 36
Dependent Claim
25 words
A system according to claim 23, wherein said output means includes a light-emitting element, and outputs said data by light projected from said light-emitting element.
Claim 37
Dependent Claim
31 words
A system according to claim 33, wherein said input means includes a light-receiving element, and receives the light projected by said light-emitting element by said light-receiving element to input said data.
Claim 38
Dependent Claim
83 words
A data reading device comprising: (a) data reading means for reading data; (b) storage means for storing data read by said data reading means; (c) transfer means for transferring said data stored in said storage means to an another device; (d) an operation switch; and (e) control means, responsive to an operation of said operation switch, for causing said transfer means to be a transfer state first, and then causing said data reading means to be a data reading state of said data.
Claim 39
Dependent Claim
83 words
A data reading device comprising: (a) data reading means for reading data; (b) storage means for storing data read by said data reading means; (c) transfer means for transferring said data stored in said storage means to an another device; (d) an operation switch; and (e) control means, responsive to an operation of said operation switch, for causing said transfer means to be a transfer state first, and then causing said data reading means to be a data reading state of said data.
Claim 40
Dependent Claim
13 words
A device according to claim 35, wherein said data is a bar code.
Claim 41
Dependent Claim
29 words
A device according to claim 35, wherein said data reading means projects light to said data, and reads a content of said data by light reflected by the data.
Claim 42
Dependent Claim
32 words
A device according to claim 37, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said reading state.
Claim 43
Dependent Claim
33 words
A device according to claim 35, further comprising second control means for, when said data is not stored in said storage means, inhibiting said transfer means from changing over to the transfer state.
Claim 44
Dependent Claim
29 words
A device according to claim 35, wherein said transfer means includes a light-emitting element, and transfers said data to said another device by light projected from said light-emitting element.
Claim 45
Dependent Claim
29 words
A device according to claim 37, wherein said transfer means includes a light-emitting element, and transfers said data to said another device by light projected from said light-emitting element.
Claim 46
Dependent Claim
30 words
A device according to claim 41, wherein a light projection position of said data reading means and a light projection position of said transfer means are set at different positions.
Claim 47
Dependent Claim
55 words
A device according to claim 35, further comprising: (f) voltage detection means for detecting a power supply voltage; (g) power supply voltage storage means for storing a detection result of said voltage detection means; and (h) indicating means for performing indication on the basis of a storage content of said power supply voltage storage means.
Claim 48
Dependent Claim
137 words
A data reading device comprising: (a) data reading means for reading data; (b) storage means for storing data read by said data reading means; (c) transfer means for transferring said data stored in said storage means to another device; (d) voltage detection means for detecting a power supply voltage; (e) power supply voltage storage means for storing a detection result of said voltage detection means; (f) indicating means for indicating a plurality of data; and (g) control means for operating said voltage detection means before a series of actions are performed, causing said power supply voltage storage means to store a detection result of said voltage detection means, and causing said indicating means to perform indication on the basis of a storage content of said power supply voltage storage means before said series of actions are performed.
Claim 49
Dependent Claim
137 words
A data reading device comprising: (a) data reading means for reading data; (b) storage means for storing data read by said data reading means; (c) transfer means for transferring said data stored in said storage means to another device; (d) voltage detection means for detecting a power supply voltage; (e) power supply voltage storage means for storing a detection result of said voltage detection means; (f) indicating means for indicating a plurality of data; and (g) control means for operating said voltage detection means before a series of actions are performed, causing said power supply voltage storage means to store a detection result of said voltage detection means, and causing said indicating means to perform indication on the basis of a storage content of said power supply voltage storage means before said series of actions are performed.
Claim 50
Independent Claim
143 words
A system having a data reading device and a data processing device, comprising (A) said data reading device comprising: (A-1) data reading means for reading data; (A-2) storage means for storing data read by said data reading means; (A-3) transfer means for transferring said data stored in said storage means to said data processing device; (A-4) an operation switch; and (A-5) control means, responsive to an operation of said operation switch, for causing said transfer means to be a transfer state first, and then causing said data reading means to be a data reading state of said data, and (B) said data processing device comprising: (B-1) input means for inputting said data read by said data reading means and transferred from said transfer means; and (B-2) data processing means which is controlled on the basis of said data input at said input means.
Claim 51
Independent Claim
143 words
A system having a data reading device and a data processing device, comprising (A) said data reading device comprising: (A-1) data reading means for reading data; (A-2) storage means for storing data read by said data reading means; (A-3) transfer means for transferring said data stored in said storage means to said data processing device; (A-4) an operation switch; and (A-5) control means, responsive to an operation of said operation switch, for causing said transfer means to be a transfer state first, and then causing said data reading means to be a data reading state of said data, and (B) said data processing device comprising: (B-1) input means for inputting said data read by said data reading means and transferred from said transfer means; and (B-2) data processing means which is controlled on the basis of said data input at said input means.
Claim 52
Dependent Claim
13 words
A system according to claim 45, wherein said data is a bar code.
Claim 53
Dependent Claim
29 words
A system according to claim 45, wherein said data reading means projects light to said data, and reads a content of said data by light reflected by the data.
Claim 54
Dependent Claim
32 words
A system according to claim 47, wherein said data reading means continues projection of said light in said data reading state, and stops projection of said light to terminate said reading state.
Claim 55
Dependent Claim
32 words
A system according to claim 45, further comprising second control means for, when said data is not stored in said storage means, inhibiting said transfer means from changing over to the state.
Claim 56
Dependent Claim
30 words
A system according to claim 45, wherein said transfer means includes a light-emitting element, and transfers said data to said data processing device by light projected by said light-emitting element.
Claim 57
Dependent Claim
30 words
A system according to claim 47, wherein said transfer means includes a light-emitting element, and transfers said data to said data processing device by light projected by said light-emitting element.
Claim 58
Dependent Claim
30 words
A system according to claim 51, wherein a light projection position of said data reading means and a light projection position of said transfer means are set at different positions.
Claim 59
Dependent Claim
31 words
A system according to claim 50, wherein said input means includes a light-receiving element, and receives the light projected by said light-emitting element by said light-receiving element to input said data.
Claim 60
Dependent Claim
30 words
A system according to claim 50, wherein a light projection position of said data reading means and a light projection position of said transfer means are set at different positions.
References Cited (Backward Citations)
No citation records indexed.
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