GB2176330B - Key sensing system - Google Patents

Key sensing system

Info

Publication number
GB2176330B
GB2176330B GB8606365A GB8606365A GB2176330B GB 2176330 B GB2176330 B GB 2176330B GB 8606365 A GB8606365 A GB 8606365A GB 8606365 A GB8606365 A GB 8606365A GB 2176330 B GB2176330 B GB 2176330B
Authority
GB
United Kingdom
Prior art keywords
sensing system
key sensing
key
sensing
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
Application number
GB8606365A
Other languages
English (en)
Other versions
GB2176330A (en
GB8606365D0 (en
Inventor
Yukio Kuribayashi
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.)
Aica Kogyo Co Ltd
Original Assignee
Aica Kogyo Co Ltd
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 Aica Kogyo Co Ltd filed Critical Aica Kogyo Co Ltd
Publication of GB8606365D0 publication Critical patent/GB8606365D0/en
Publication of GB2176330A publication Critical patent/GB2176330A/en
Application granted granted Critical
Publication of GB2176330B publication Critical patent/GB2176330B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00 
    • A47G29/10—Key holders; Key boards
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/221—Local indication of seats occupied in a facility, e.g. in a theatre
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Casings For Electric Apparatus (AREA)
GB8606365A 1985-06-07 1986-03-14 Key sensing system Expired GB2176330B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985086176U JPS61201454U (US06330241-20011211-M00004.png) 1985-06-07 1985-06-07

Publications (3)

Publication Number Publication Date
GB8606365D0 GB8606365D0 (en) 1986-04-23
GB2176330A GB2176330A (en) 1986-12-17
GB2176330B true GB2176330B (en) 1989-07-05

Family

ID=13879447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8606365A Expired GB2176330B (en) 1985-06-07 1986-03-14 Key sensing system

Country Status (4)

Country Link
US (1) US4716400A (US06330241-20011211-M00004.png)
JP (1) JPS61201454U (US06330241-20011211-M00004.png)
KR (1) KR920004624B1 (US06330241-20011211-M00004.png)
GB (1) GB2176330B (US06330241-20011211-M00004.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311758A (en) * 1992-12-16 1994-05-17 Axxess Entry Technologies Key storage tag
US7360383B1 (en) * 2006-12-27 2008-04-22 Hsueh-Liang Chang Key sheath
ITPN20130037A1 (it) * 2013-07-02 2015-01-03 Nilfisk Advance As Macchina per la pulizia dei suoli con chiave perfezionata
US10344500B2 (en) * 2017-07-28 2019-07-09 Aaron Murphy Key guard system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB691555A (en) * 1950-12-12 1953-05-13 Frederick George Woodall Improvements in or relating to burglar alarms
GB1002295A (en) * 1963-04-17 1965-08-25 Sonnenschein Accumulatoren Improvements in and relating to security systems
GB1143450A (en) * 1966-12-05 1969-02-19 Brocks Alarms Ltd Detection circuits including magnetic switching arrangements
US3530451A (en) * 1967-01-20 1970-09-22 Security Systems Inc Holster radio alarm
GB1250803A (US06330241-20011211-M00004.png) * 1968-11-08 1971-10-20
GB1275757A (en) * 1968-05-27 1972-05-24 Efa Forschung Process and apparatus for separating oil from emulsions of oil in water
GB1283521A (en) * 1968-07-29 1972-07-26 Johnson & Johnson Surgical dressings
US4205328A (en) * 1977-01-20 1980-05-27 Motohiro Gotanda Apparatus for controlling a power source for an electrical alarm or indicator
EP0021611A1 (en) * 1979-06-08 1981-01-07 GKN Fasteners Limited Security system sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589349A (en) * 1948-11-10 1952-03-18 Ervin P Diefenbach Magnetic key case
US3007568A (en) * 1958-07-03 1961-11-07 Kurland Jacob Magnetic key holder
GB925841A (en) * 1960-11-25 1963-05-08 Hozelock Ltd Key holder
US4150350A (en) * 1976-12-16 1979-04-17 Fong Lee W Magnetic switch
JPS5444999A (en) * 1977-09-14 1979-04-09 Haruo Negishi Key for controlling rented rooms
US4213110A (en) * 1978-07-20 1980-07-15 Holce Thomas J Proximity switch having adjustable sensitivity
JPS56119081A (en) * 1980-02-20 1981-09-18 Motohiro Gotanda Method and device for managing key

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB691555A (en) * 1950-12-12 1953-05-13 Frederick George Woodall Improvements in or relating to burglar alarms
GB1002295A (en) * 1963-04-17 1965-08-25 Sonnenschein Accumulatoren Improvements in and relating to security systems
GB1143450A (en) * 1966-12-05 1969-02-19 Brocks Alarms Ltd Detection circuits including magnetic switching arrangements
US3530451A (en) * 1967-01-20 1970-09-22 Security Systems Inc Holster radio alarm
GB1275757A (en) * 1968-05-27 1972-05-24 Efa Forschung Process and apparatus for separating oil from emulsions of oil in water
GB1283521A (en) * 1968-07-29 1972-07-26 Johnson & Johnson Surgical dressings
GB1250803A (US06330241-20011211-M00004.png) * 1968-11-08 1971-10-20
US4205328A (en) * 1977-01-20 1980-05-27 Motohiro Gotanda Apparatus for controlling a power source for an electrical alarm or indicator
EP0021611A1 (en) * 1979-06-08 1981-01-07 GKN Fasteners Limited Security system sensor

Also Published As

Publication number Publication date
GB2176330A (en) 1986-12-17
KR870000495A (ko) 1987-02-18
JPS61201454U (US06330241-20011211-M00004.png) 1986-12-17
KR920004624B1 (ko) 1992-06-12
US4716400A (en) 1987-12-29
GB8606365D0 (en) 1986-04-23

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Legal Events

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

Effective date: 19960314