JPS5382111A - Preventive unit of illegal electromagnetic waves for transmitters - Google Patents
Preventive unit of illegal electromagnetic waves for transmittersInfo
- Publication number
- JPS5382111A JPS5382111A JP16061276A JP16061276A JPS5382111A JP S5382111 A JPS5382111 A JP S5382111A JP 16061276 A JP16061276 A JP 16061276A JP 16061276 A JP16061276 A JP 16061276A JP S5382111 A JPS5382111 A JP S5382111A
- Authority
- JP
- Japan
- Prior art keywords
- transmitters
- electromagnetic waves
- preventive unit
- illegal
- illegal electromagnetic
- 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.)
- Pending
Links
- 230000003449 preventive effect Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 abstract 1
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
- H03L7/185—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 using a mixer in the loop
Landscapes
- Transceivers (AREA)
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
PURPOSE:To increase the reliability through the decrease in the number of output terminals and to prevent the radiation of illegal electro-magnetic waves at channel selection, by developing the output of gray code with the channel selection switch in transceivers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16061276A JPS5382111A (en) | 1976-12-27 | 1976-12-27 | Preventive unit of illegal electromagnetic waves for transmitters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16061276A JPS5382111A (en) | 1976-12-27 | 1976-12-27 | Preventive unit of illegal electromagnetic waves for transmitters |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5382111A true JPS5382111A (en) | 1978-07-20 |
Family
ID=15718690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16061276A Pending JPS5382111A (en) | 1976-12-27 | 1976-12-27 | Preventive unit of illegal electromagnetic waves for transmitters |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5382111A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58125435U (en) * | 1982-02-19 | 1983-08-26 | ソニー株式会社 | transmitter |
JPS619022A (en) * | 1984-06-23 | 1986-01-16 | Trio Kenwood Corp | Amateur radio communication equipment |
JPS619941U (en) * | 1984-06-22 | 1986-01-21 | 株式会社ケンウッド | Radio operating frequency band limiting circuit |
EP0409127A2 (en) * | 1989-07-17 | 1991-01-23 | Nec Corporation | Phase-locked loop type frequency synthesizer having improved loop response |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51147104A (en) * | 1975-06-12 | 1976-12-17 | Sony Corp | Coded board |
-
1976
- 1976-12-27 JP JP16061276A patent/JPS5382111A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51147104A (en) * | 1975-06-12 | 1976-12-17 | Sony Corp | Coded board |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58125435U (en) * | 1982-02-19 | 1983-08-26 | ソニー株式会社 | transmitter |
JPS619941U (en) * | 1984-06-22 | 1986-01-21 | 株式会社ケンウッド | Radio operating frequency band limiting circuit |
JPH036042Y2 (en) * | 1984-06-22 | 1991-02-15 | ||
JPS619022A (en) * | 1984-06-23 | 1986-01-16 | Trio Kenwood Corp | Amateur radio communication equipment |
JPH0231533B2 (en) * | 1984-06-23 | 1990-07-13 | Kenwood Corp | |
EP0409127A2 (en) * | 1989-07-17 | 1991-01-23 | Nec Corporation | Phase-locked loop type frequency synthesizer having improved loop response |
EP0409127A3 (en) * | 1989-07-17 | 1991-04-10 | Nec Corporation | Phase-locked loop type frequency synthesizer having improved loop response |
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