NO930936D0 - FREQUENCY PARTS WITH VARIABLE CAPACITY AND DETECTOR SYSTEMS WITH SUCH FREQUENCY PARTS - Google Patents

FREQUENCY PARTS WITH VARIABLE CAPACITY AND DETECTOR SYSTEMS WITH SUCH FREQUENCY PARTS

Info

Publication number
NO930936D0
NO930936D0 NO930936A NO930936A NO930936D0 NO 930936 D0 NO930936 D0 NO 930936D0 NO 930936 A NO930936 A NO 930936A NO 930936 A NO930936 A NO 930936A NO 930936 D0 NO930936 D0 NO 930936D0
Authority
NO
Norway
Prior art keywords
frequency parts
variable capacity
detector systems
frequency
parts
Prior art date
Application number
NO930936A
Other languages
Norwegian (no)
Other versions
NO930936L (en
Inventor
Ming Ren Lian
Jr Lincoln H Charlot
Original Assignee
Security Tag Systems Inc
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 Security Tag Systems Inc filed Critical Security Tag Systems Inc
Publication of NO930936D0 publication Critical patent/NO930936D0/en
Publication of NO930936L publication Critical patent/NO930936L/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • G08B13/242—Tag deactivation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Semiconductor Integrated Circuits (AREA)
NO93930936A 1992-03-18 1993-03-16 FREQUENCY SPECIFICATIONS WITH VARIABLE CAPACITY AND DISHWESTING PLANT WITH SUCH FREQUENCY SPARE PARTS NO930936L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85353492A 1992-03-18 1992-03-18

Publications (2)

Publication Number Publication Date
NO930936D0 true NO930936D0 (en) 1993-03-16
NO930936L NO930936L (en) 1993-09-20

Family

ID=25316294

Family Applications (1)

Application Number Title Priority Date Filing Date
NO93930936A NO930936L (en) 1992-03-18 1993-03-16 FREQUENCY SPECIFICATIONS WITH VARIABLE CAPACITY AND DISHWESTING PLANT WITH SUCH FREQUENCY SPARE PARTS

Country Status (5)

Country Link
EP (1) EP0561560A1 (en)
JP (1) JPH06124394A (en)
AU (1) AU658483B2 (en)
CA (1) CA2091753A1 (en)
NO (1) NO930936L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006221620A (en) * 2005-01-17 2006-08-24 Canon Inc Resonance tag, method of reversibly changing resonance characteristic of resonance circuit, and capacitive element
WO2012153448A1 (en) 2011-05-09 2012-11-15 パナソニック株式会社 Rc oscillation circuit
CN103283143A (en) 2011-06-06 2013-09-04 松下电器产业株式会社 RC oscillator circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624895A (en) * 1968-01-11 1971-12-07 Gen Motors Corp Metal-insulator-semiconductor voltage variable capacitor with controlled resistivity dielectric
US3634738A (en) * 1970-10-06 1972-01-11 Kev Electronics Corp Diode having a voltage variable capacitance characteristic and method of making same
US3860945A (en) * 1973-03-29 1975-01-14 Rca Corp High frequency voltage-variable capacitor
US3996536A (en) * 1975-06-20 1976-12-07 Rca Corporation Metal-insulator-semiconductor device phase shifter
US4727360A (en) * 1985-09-13 1988-02-23 Security Tag Systems, Inc. Frequency-dividing transponder and use thereof in a presence detection system
US4670740A (en) * 1985-11-04 1987-06-02 Security Tag Systems, Inc. Portable, batteryless, frequency divider consisting of inductor and diode
US5241298A (en) * 1992-03-18 1993-08-31 Security Tag Systems, Inc. Electrically-and-magnetically-coupled, batteryless, portable, frequency divider

Also Published As

Publication number Publication date
EP0561560A1 (en) 1993-09-22
AU3521993A (en) 1993-09-23
AU658483B2 (en) 1995-04-13
JPH06124394A (en) 1994-05-06
NO930936L (en) 1993-09-20
CA2091753A1 (en) 1993-09-19

Similar Documents

Publication Publication Date Title
NO930034L (en) ADJUSTABLE EQUIPMENT AND RECEIVER
NO914030D0 (en) SETUP ANTENNA AND STABILIZED ANTENNA SYSTEM
NO931652L (en) PROCEDURE AND SYSTEM WITH TIME REDUCED REMOTE ACCESS
DE68911607D1 (en) Radio frequency connection and shielding system.
DE69428416T2 (en) DECISION-RELATED EQUALIZER AND RECEIVER
DE69425752T2 (en) CAPACITIVE DETECTOR AND ALARM SYSTEM
FI913529A (en) High frequency detector with wide dynamics
GB2246261B (en) Tracking arrangements and systems
DE69122338D1 (en) Synchronous signal detector circuit and synchronous signal detector apparatus containing the same
NO930118D0 (en) SCINTILLATOR AND MANUFACTURING THEREOF
NO914075D0 (en) SEPARATION OF NITROGEN AND METHAN WITH TURBOOK EXPANSION OF THE REST
BR9405759A (en) Amplifier multi-stage amplifier circuit and radiotelephone
DE69215648D1 (en) Antenna and tuner combination
NO933611D0 (en) ANTI-TUMOR AND ANTI-PSORIATIC AGENTS
DK442089D0 (en) AIM AND TRANSPORT EQUIPMENT
DE69332815D1 (en) Polyglyzidyl ethers and their use
NO930936D0 (en) FREQUENCY PARTS WITH VARIABLE CAPACITY AND DETECTOR SYSTEMS WITH SUCH FREQUENCY PARTS
NO961732D0 (en) An ice detector
DE69301144D1 (en) DETECTOR
GB9121480D0 (en) Alarms for suitcases and the like
FI1031U1 (en) And troakar
ITMI921571A1 (en) AZACICLO AND AZABICICLO ALCHILIDEN IDROSSILAMINE
SG42462A1 (en) Frequency range detector
FI923464A (en) Foerfarande och system Foer alstring av frequency and i radiotelephone
DE59304466D1 (en) Integrable zero point detector