GB9521741D0 - Modulator circuit and data transfer system - Google Patents

Modulator circuit and data transfer system

Info

Publication number
GB9521741D0
GB9521741D0 GBGB9521741.0A GB9521741A GB9521741D0 GB 9521741 D0 GB9521741 D0 GB 9521741D0 GB 9521741 A GB9521741 A GB 9521741A GB 9521741 D0 GB9521741 D0 GB 9521741D0
Authority
GB
United Kingdom
Prior art keywords
data transfer
transfer system
modulator circuit
modulator
circuit
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.)
Granted
Application number
GBGB9521741.0A
Other versions
GB2306067B (en
GB2306067A (en
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Priority to GB9521741A priority Critical patent/GB2306067B/en
Publication of GB9521741D0 publication Critical patent/GB9521741D0/en
Publication of GB2306067A publication Critical patent/GB2306067A/en
Application granted granted Critical
Publication of GB2306067B publication Critical patent/GB2306067B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/02—Amplitude modulation, i.e. PAM
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction
GB9521741A 1995-10-24 1995-10-24 Modulator circuit and data transfer system Expired - Fee Related GB2306067B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9521741A GB2306067B (en) 1995-10-24 1995-10-24 Modulator circuit and data transfer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9521741A GB2306067B (en) 1995-10-24 1995-10-24 Modulator circuit and data transfer system

Publications (3)

Publication Number Publication Date
GB9521741D0 true GB9521741D0 (en) 1996-01-03
GB2306067A GB2306067A (en) 1997-04-23
GB2306067B GB2306067B (en) 2000-02-23

Family

ID=10782808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9521741A Expired - Fee Related GB2306067B (en) 1995-10-24 1995-10-24 Modulator circuit and data transfer system

Country Status (1)

Country Link
GB (1) GB2306067B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19634486C2 (en) * 1996-08-26 1999-11-18 Siemens Ag Circuit arrangement for generating an amplitude-modulated oscillation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1188187A (en) * 1967-06-08 1970-04-15 Ass Elect Ind Improvements in or relating to Electrical Gating Circuit Arrangements
GB1273137A (en) * 1968-08-05 1972-05-03 Plessey Co Ltd Improvements in or relating to mixer circuits

Also Published As

Publication number Publication date
GB2306067B (en) 2000-02-23
GB2306067A (en) 1997-04-23

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Legal Events

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

Effective date: 20011024