JPH01143536U - - Google Patents
Info
- Publication number
- JPH01143536U JPH01143536U JP1988039296U JP3929688U JPH01143536U JP H01143536 U JPH01143536 U JP H01143536U JP 1988039296 U JP1988039296 U JP 1988039296U JP 3929688 U JP3929688 U JP 3929688U JP H01143536 U JPH01143536 U JP H01143536U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- circuit
- receiver
- external signal
- transmitting
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
- Transmitters (AREA)
Description
第1図は本考案の一実施例を示すブロツク図、
第2図は送信禁止についての制御ルーチンを示す
フローチヤート図である。
18……サーチトリガ回路、19……中央処理
ユニツト、20……プログラムカウンタ。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a flowchart showing a control routine regarding transmission prohibition. 18...Search trigger circuit, 19...Central processing unit, 20...Program counter.
Claims (1)
システムを組込んだ送信兼用受信機において、上
記受信機のサーチトリガ回路からの信号を中央処
理ユニツトで読取り、外来信号の有無を判定して
、外来信号がある時には送信システムによる送信
を禁止するように構成したことを特徴とする送信
禁止回路。 In a transmitting/receiving device that has a frequency division comparison type self-excited oscillation circuit and a transmitting system built into the receiver, the signal from the search trigger circuit of the receiver is read by the central processing unit to determine the presence or absence of an external signal. A transmission prohibition circuit characterized in that the transmission prohibition circuit is configured to prohibit transmission by a transmission system when an external signal is present.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039296U JPH01143536U (en) | 1988-03-24 | 1988-03-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988039296U JPH01143536U (en) | 1988-03-24 | 1988-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01143536U true JPH01143536U (en) | 1989-10-02 |
Family
ID=31265806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988039296U Pending JPH01143536U (en) | 1988-03-24 | 1988-03-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01143536U (en) |
-
1988
- 1988-03-24 JP JP1988039296U patent/JPH01143536U/ja active Pending