JPH0438179U - - Google Patents
Info
- Publication number
- JPH0438179U JPH0438179U JP8024790U JP8024790U JPH0438179U JP H0438179 U JPH0438179 U JP H0438179U JP 8024790 U JP8024790 U JP 8024790U JP 8024790 U JP8024790 U JP 8024790U JP H0438179 U JPH0438179 U JP H0438179U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- tally
- tally signal
- switch
- time
- 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
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来のタリー信号伝送装置を示すブロツ
ク図である。
１，１０……タリー信号発生器、２……タリー
信号検知器、３……送信機、４……受信機、１１
……低域フイルタ、１２……スイツチ、１３……
タリー信号変調回路、１４……帯域フイルタ、１
５……混合回路、１６……タイマ回路、１７……
スイツチ、１８……タリー信号変調回路、２１…
…低域フイルタ、２２……帯域フイルタ、２３…
…タリー信号復調回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing a conventional tally signal transmission device. 1, 10...Tally signal generator, 2...Tally signal detector, 3...Transmitter, 4...Receiver, 11
...Low frequency filter, 12...Switch, 13...
Tally signal modulation circuit, 14...bandwidth filter, 1
5...Mixing circuit, 16...Timer circuit, 17...
Switch, 18...Tally signal modulation circuit, 21...
...Low pass filter, 22...Band filter, 23...
...Tally signal demodulation circuit.
Claims (1)
ー信号伝送装置において、前記タリー信号を生成
するスイツチと、前記スイツチを切替えたときに
一定時間をカウントする手段と、前記スイツチの
切替えに応じて前記音声信号よりも高い周波数の
トーン信号を生成する手段と、前記一定時間だけ
前記トーン信号を送出する手段とを備えたタリー
信号発生器と；前記トーン信号を識別して前記タ
リー信号を検知する手段と、検知した前記タリー
信号を前記一定時間内に取込み保持して出力する
手段とを備えたタリー信号検知器とを具備するこ
とを特徴とするタリー信号伝送装置。 A tally signal transmission device that multiplexes a tally signal with an audio signal and transmits the same includes a switch that generates the tally signal, a means for counting a certain period of time when the switch is switched, and a means that counts a certain period of time when the switch is switched; a tally signal generator comprising means for generating a tone signal having a higher frequency than the signal; and means for transmitting the tone signal for the predetermined time; means for identifying the tone signal and detecting the tally signal; and a tally signal detector comprising means for capturing and holding the detected tally signal within the certain period of time and outputting the detected tally signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8024790U JPH0438179U (en) | 1990-07-27 | 1990-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8024790U JPH0438179U (en) | 1990-07-27 | 1990-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438179U true JPH0438179U (en) | 1992-03-31 |
Family
ID=31625132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8024790U Pending JPH0438179U (en) | 1990-07-27 | 1990-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011049994A (en) * | 2009-08-28 | 2011-03-10 | Ikegami Tsushinki Co Ltd | Apparatus and method for monitoring recorded video of television camera |
-
1990
- 1990-07-27 JP JP8024790U patent/JPH0438179U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011049994A (en) * | 2009-08-28 | 2011-03-10 | Ikegami Tsushinki Co Ltd | Apparatus and method for monitoring recorded video of television camera |
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