GB8722931D0 - Fm multiplex broadcast receiver - Google Patents

Fm multiplex broadcast receiver

Info

Publication number
GB8722931D0
GB8722931D0 GB878722931A GB8722931A GB8722931D0 GB 8722931 D0 GB8722931 D0 GB 8722931D0 GB 878722931 A GB878722931 A GB 878722931A GB 8722931 A GB8722931 A GB 8722931A GB 8722931 D0 GB8722931 D0 GB 8722931D0
Authority
GB
United Kingdom
Prior art keywords
broadcast receiver
multiplex broadcast
multiplex
receiver
broadcast
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
GB878722931A
Other versions
GB2197554A (en
GB2197554B (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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Priority claimed from JP61232657A external-priority patent/JPS6387039A/en
Priority claimed from JP61232660A external-priority patent/JPS6387836A/en
Priority claimed from JP61232658A external-priority patent/JPH0813033B2/en
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to GB9021931A priority Critical patent/GB2235343B/en
Publication of GB8722931D0 publication Critical patent/GB8722931D0/en
Publication of GB2197554A publication Critical patent/GB2197554A/en
Application granted granted Critical
Publication of GB2197554B publication Critical patent/GB2197554B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • H03D1/2254—Homodyne or synchrodyne circuits using two quadrature channels and a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0031—PLL circuits with quadrature locking, e.g. a Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB8722931A 1986-09-30 1987-09-30 Fm multiplex broadcast receiver Expired - Lifetime GB2197554B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9021931A GB2235343B (en) 1986-09-30 1987-09-30 Fm multiplex broadcast receiver

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61232657A JPS6387039A (en) 1986-09-30 1986-09-30 Locking detecting circuit for digital pll circuit
JP61232660A JPS6387836A (en) 1986-09-30 1986-09-30 Data demodulation circuit for fm multiplex
JP61232658A JPH0813033B2 (en) 1986-09-30 1986-09-30 Lock detection circuit of digital PLL circuit

Publications (3)

Publication Number Publication Date
GB8722931D0 true GB8722931D0 (en) 1987-11-04
GB2197554A GB2197554A (en) 1988-05-18
GB2197554B GB2197554B (en) 1991-06-05

Family

ID=27331903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8722931A Expired - Lifetime GB2197554B (en) 1986-09-30 1987-09-30 Fm multiplex broadcast receiver

Country Status (2)

Country Link
DE (1) DE3733082A1 (en)
GB (1) GB2197554B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844936C2 (en) * 1987-08-01 1998-06-04 Pioneer Electronic Corp Method for storing station frequency data in an RDS broadcast receiver
JP2752388B2 (en) * 1988-10-12 1998-05-18 パイオニア株式会社 Data demodulation circuit in RDS receiver
GB2287592B (en) * 1994-03-18 1998-08-12 Plessey Semiconductors Ltd Phase lock detector
JP2002318265A (en) * 2001-04-24 2002-10-31 Hitachi Ltd Semiconductor integrated circuit and method for testing semiconductor integrated circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473805A (en) * 1981-12-14 1984-09-25 Rca Corporation Phase lock loss detector
US4584537A (en) * 1985-04-17 1986-04-22 Burroughs Corporation Synchronized oscillator lock detector
DE3516282A1 (en) * 1985-05-07 1986-11-13 Blaupunkt Werke Gmbh DIGITAL DEMODULATOR
GB8522998D0 (en) * 1985-09-18 1985-10-23 Plessey Co Plc Phase comparator lock detect circuit

Also Published As

Publication number Publication date
DE3733082A1 (en) 1988-03-31
DE3733082C2 (en) 1990-12-06
GB2197554A (en) 1988-05-18
GB2197554B (en) 1991-06-05

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980930