JPS5330220A - System for tuning television receiver - Google Patents
System for tuning television receiverInfo
- Publication number
- JPS5330220A JPS5330220A JP10414577A JP10414577A JPS5330220A JP S5330220 A JPS5330220 A JP S5330220A JP 10414577 A JP10414577 A JP 10414577A JP 10414577 A JP10414577 A JP 10414577A JP S5330220 A JPS5330220 A JP S5330220A
- Authority
- JP
- Japan
- Prior art keywords
- television receiver
- tuning television
- tuning
- receiver
- television
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71845576A | 1976-08-30 | 1976-08-30 | |
US000000718455 | 1976-08-30 | ||
US000000779126 | 1977-03-18 | ||
US05/779,126 US4106059A (en) | 1976-08-30 | 1977-03-18 | Phase locked loop television tuning system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5330220A true JPS5330220A (en) | 1978-03-22 |
JPS5923516B2 JPS5923516B2 (en) | 1984-06-02 |
Family
ID=27109902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10414577A Expired JPS5923516B2 (en) | 1976-08-30 | 1977-08-29 | Television receiver tuning method |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5923516B2 (en) |
CA (1) | CA1095194A (en) |
DE (1) | DE2738905C3 (en) |
FR (1) | FR2363231A1 (en) |
GB (1) | GB1586368A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0787332B2 (en) * | 1986-07-18 | 1995-09-20 | 株式会社東芝 | Automatic time constant adjustment circuit for filter circuit |
-
1977
- 1977-08-02 CA CA283,904A patent/CA1095194A/en not_active Expired
- 1977-08-25 GB GB3570477A patent/GB1586368A/en not_active Expired
- 1977-08-29 FR FR7726224A patent/FR2363231A1/en active Granted
- 1977-08-29 JP JP10414577A patent/JPS5923516B2/en not_active Expired
- 1977-08-29 DE DE19772738905 patent/DE2738905C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1095194A (en) | 1981-02-03 |
JPS5923516B2 (en) | 1984-06-02 |
DE2738905A1 (en) | 1978-03-09 |
DE2738905B2 (en) | 1980-01-31 |
FR2363231A1 (en) | 1978-03-24 |
GB1586368A (en) | 1981-03-18 |
FR2363231B1 (en) | 1982-01-29 |
DE2738905C3 (en) | 1980-09-18 |
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