GB2344650B - Automatically adjusted optical sensing system - Google Patents

Automatically adjusted optical sensing system

Info

Publication number
GB2344650B
GB2344650B GB9924476A GB9924476A GB2344650B GB 2344650 B GB2344650 B GB 2344650B GB 9924476 A GB9924476 A GB 9924476A GB 9924476 A GB9924476 A GB 9924476A GB 2344650 B GB2344650 B GB 2344650B
Authority
GB
United Kingdom
Prior art keywords
sensing system
automatically adjusted
optical sensing
adjusted optical
automatically
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9924476A
Other versions
GB2344650A (en
GB9924476D0 (en
Inventor
Tetsuo Sugano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9924476D0 publication Critical patent/GB9924476D0/en
Publication of GB2344650A publication Critical patent/GB2344650A/en
Application granted granted Critical
Publication of GB2344650B publication Critical patent/GB2344650B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
    • G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
GB9924476A 1998-12-08 1999-10-15 Automatically adjusted optical sensing system Expired - Fee Related GB2344650B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34877998A JP2000174326A (en) 1998-12-08 1998-12-08 Detection device

Publications (3)

Publication Number Publication Date
GB9924476D0 GB9924476D0 (en) 1999-12-15
GB2344650A GB2344650A (en) 2000-06-14
GB2344650B true GB2344650B (en) 2000-12-13

Family

ID=18399311

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9924476A Expired - Fee Related GB2344650B (en) 1998-12-08 1999-10-15 Automatically adjusted optical sensing system

Country Status (2)

Country Link
JP (1) JP2000174326A (en)
GB (1) GB2344650B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002093114A (en) * 2000-09-20 2002-03-29 Victor Co Of Japan Ltd Tape cassette
CN102265252B (en) 2011-06-24 2013-04-24 华为终端有限公司 A method and a device for adjusting a sensing threshold value of an infrared proximity sensor
CN102271177B (en) * 2011-07-18 2015-06-17 惠州Tcl移动通信有限公司 Method and system for calibrating proximity sensor of mobile phone
CN103123394B (en) * 2011-11-21 2015-08-26 比亚迪股份有限公司 A kind of method and system that threshold value of proximity sensor is set
WO2019195483A1 (en) 2018-04-03 2019-10-10 Sharkninja Operating Llc Time of flight sensor arrangement for robot navigation and methods of localization using same
CA3134052A1 (en) 2019-03-21 2020-09-24 Sharkninja Operating Llc Adaptive sensor array system and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931513A (en) * 1974-09-23 1976-01-06 Ampex Corporation Sensing circuit for tape position markers
US4410148A (en) * 1981-05-26 1983-10-18 Storage Technology Corporation Feedback control circuit for photosensors in magnetic tape drives
EP0119568A2 (en) * 1983-03-19 1984-09-26 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Optoelectronic tape end switching
GB2165045A (en) * 1984-09-27 1986-04-03 Xerox Corp Document sensor with compensation for sensor degradation
US4652742A (en) * 1982-08-17 1987-03-24 Agfa-Gevaert Ag Arrangement for and method of determining two or more superimposed film sheets
GB2244261A (en) * 1990-04-05 1991-11-27 Tokyo Aircraft Instr Co Double-feed sheet detection apparatus
US5270553A (en) * 1992-12-22 1993-12-14 Hewlett-Packard Company Beginning-of-tape sensor with automatic threshold adjustment
US5289011A (en) * 1992-11-30 1994-02-22 Xerox Corporation Sensor control system and method compensating for degradation of the sensor and indicating a necessity of service prior to sensor failure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931513A (en) * 1974-09-23 1976-01-06 Ampex Corporation Sensing circuit for tape position markers
US4410148A (en) * 1981-05-26 1983-10-18 Storage Technology Corporation Feedback control circuit for photosensors in magnetic tape drives
US4652742A (en) * 1982-08-17 1987-03-24 Agfa-Gevaert Ag Arrangement for and method of determining two or more superimposed film sheets
EP0119568A2 (en) * 1983-03-19 1984-09-26 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Optoelectronic tape end switching
GB2165045A (en) * 1984-09-27 1986-04-03 Xerox Corp Document sensor with compensation for sensor degradation
GB2244261A (en) * 1990-04-05 1991-11-27 Tokyo Aircraft Instr Co Double-feed sheet detection apparatus
US5289011A (en) * 1992-11-30 1994-02-22 Xerox Corporation Sensor control system and method compensating for degradation of the sensor and indicating a necessity of service prior to sensor failure
US5270553A (en) * 1992-12-22 1993-12-14 Hewlett-Packard Company Beginning-of-tape sensor with automatic threshold adjustment

Also Published As

Publication number Publication date
GB2344650A (en) 2000-06-14
GB9924476D0 (en) 1999-12-15
JP2000174326A (en) 2000-06-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031015