GB2235343B - Fm multiplex broadcast receiver - Google Patents

Fm multiplex broadcast receiver

Info

Publication number
GB2235343B
GB2235343B GB9021931A GB9021931A GB2235343B GB 2235343 B GB2235343 B GB 2235343B GB 9021931 A GB9021931 A GB 9021931A GB 9021931 A GB9021931 A GB 9021931A GB 2235343 B GB2235343 B GB 2235343B
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.)
Expired - Lifetime
Application number
GB9021931A
Other versions
GB2235343A (en
GB9021931D0 (en
Inventor
Toshihito Ichikawa
Koichi Kasa
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 claimed from GB8722931A external-priority patent/GB2197554B/en
Publication of GB9021931D0 publication Critical patent/GB9021931D0/en
Publication of GB2235343A publication Critical patent/GB2235343A/en
Application granted granted Critical
Publication of GB2235343B publication Critical patent/GB2235343B/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
GB9021931A 1986-09-30 1987-09-30 Fm multiplex broadcast receiver Expired - Lifetime GB2235343B (en)

Applications Claiming Priority (4)

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
GB8722931A GB2197554B (en) 1986-09-30 1987-09-30 Fm multiplex broadcast receiver

Publications (3)

Publication Number Publication Date
GB9021931D0 GB9021931D0 (en) 1990-11-21
GB2235343A GB2235343A (en) 1991-02-27
GB2235343B true GB2235343B (en) 1991-06-12

Family

ID=27449990

Family Applications (1)

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

Country Status (1)

Country Link
GB (1) GB2235343B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1089509C (en) * 1995-03-16 2002-08-21 三洋电机株式会社 Frequency-modulation multiple station broadcast receiving circuit and receiver using circuit thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1089509C (en) * 1995-03-16 2002-08-21 三洋电机株式会社 Frequency-modulation multiple station broadcast receiving circuit and receiver using circuit thereof

Also Published As

Publication number Publication date
GB2235343A (en) 1991-02-27
GB9021931D0 (en) 1990-11-21

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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