JPH0444740U - - Google Patents
Info
- Publication number
- JPH0444740U JPH0444740U JP8777790U JP8777790U JPH0444740U JP H0444740 U JPH0444740 U JP H0444740U JP 8777790 U JP8777790 U JP 8777790U JP 8777790 U JP8777790 U JP 8777790U JP H0444740 U JPH0444740 U JP H0444740U
- Authority
- JP
- Japan
- Prior art keywords
- tone
- squelch
- function
- tone squelch
- switch
- 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
- 238000000034 method Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Noise Elimination (AREA)
Description
第１図はこの考案の一実施例によるトーンスケ
ルチ回路のブロツク図、第２図は第１図のタイミ
ング図、第３図はこの考案の他の実施例を示すブ
ロツク図、第４図は従来のトーンスケルチ回路の
ブロツク図、第５図は第４図のタイミング図であ
る。
図において、１はトーン検出器、２はプレス信
号、３はタイマ回路、４はスケルチスイツチ、５
はトーン検出器出力又は、プレス信号、６はタイ
マ出力、７は音声信号出力である。なお、図中、
同一符号は同一、又は相当部分を示す。
Fig. 1 is a block diagram of a tone squelch circuit according to an embodiment of this invention, Fig. 2 is a timing diagram of Fig. 1, Fig. 3 is a block diagram showing another embodiment of this invention, and Fig. 4 is a conventional tone squelch circuit. A block diagram of the tone squelch circuit, FIG. 5 is a timing diagram of FIG. 4. In the figure, 1 is a tone detector, 2 is a press signal, 3 is a timer circuit, 4 is a squelch switch, 5 is a
is the tone detector output or press signal, 6 is the timer output, and 7 is the audio signal output. In addition, in the figure,
The same reference numerals indicate the same or corresponding parts.
Claims (1)
トーン検出器とスケルチスイツチの間にタイマー
回路を設け、トーンスケルチのバタツキ防止と音
声モニタ機能を持たせたことを特徴とするトーン
スケルチ制御方式。 In radio equipment with tone squelch function,
This tone squelch control method is characterized by providing a timer circuit between the tone detector and the squelch switch to prevent fluttering of the tone squelch and provide a voice monitoring function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8777790U JPH0444740U (en) | 1990-08-20 | 1990-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8777790U JPH0444740U (en) | 1990-08-20 | 1990-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444740U true JPH0444740U (en) | 1992-04-16 |
Family
ID=31820436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8777790U Pending JPH0444740U (en) | 1990-08-20 | 1990-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444740U (en) |
-
1990
- 1990-08-20 JP JP8777790U patent/JPH0444740U/ja active Pending