JPS63106237U - - Google Patents
Info
- Publication number
- JPS63106237U JPS63106237U JP1986202439U JP20243986U JPS63106237U JP S63106237 U JPS63106237 U JP S63106237U JP 1986202439 U JP1986202439 U JP 1986202439U JP 20243986 U JP20243986 U JP 20243986U JP S63106237 U JPS63106237 U JP S63106237U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- output
- handset
- switch
- changeover 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案の一実施例における無線電話装
置の子機を示すブロツク図、第２図は本考案の一
実施例における無線電話装置の親機を示すブロツ
ク図である。
主な図番の説明、９……パイロツト信号発生回
路、２５……フツクスイツチ、２６……リレー回
路、２７……電源トランジスター、２８……切換
スイツチ、２９……電話回線コントロール回路。
FIG. 1 is a block diagram showing a handset of a radio telephone device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a master device of the radio telephone device according to an embodiment of the present invention. Explanation of main drawing numbers, 9... Pilot signal generation circuit, 25... Hook switch, 26... Relay circuit, 27... Power transistor, 28... Changeover switch, 29... Telephone line control circuit.
Claims (1)
る信号検出回路と、前記子機との間で聴取用スピ
ーカ及び送話用マイクロホンを介し、電話回線に
影響を及ぼすことなく、交信動作が行なえるよう
に切換える切換スイツチと、該切換スイツチの切
換操作により出る出力を保持すると共に前記信号
検出回路の出力が一定時間以上加わらないと、前
記切換スイツチの出力保持を解除する電話回線コ
ントロール回路と、前記電話回線コントロール回
路が前記切換スイツチの出力保持を行なうと同時
に電話回線の開閉動作を行なうフツクスイツチを
開放状態に保持させるリレー回路とよりなり、子
機より信号が送信されなくなると、前記リレー回
路のフツクスイツチ開放状態保持が解除されるよ
うにしたことを特徴とする無線電話装置。 A communication operation can be performed between a signal detection circuit that receives and detects a signal transmitted from a handset and the handset through a listening speaker and a sending microphone without affecting the telephone line. a telephone line control circuit that holds the output produced by the switching operation of the changeover switch and releases the hold of the output of the changeover switch when the output of the signal detection circuit is not applied for a predetermined period of time; The telephone line control circuit is a relay circuit that maintains the output of the changeover switch and at the same time maintains the switch that opens and closes the telephone line in an open state, and when the handset stops transmitting signals, the relay circuit A wireless telephone device characterized in that a switch is released from being held in an open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202439U JPS63106237U (en) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202439U JPS63106237U (en) | 1986-12-26 | 1986-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63106237U true JPS63106237U (en) | 1988-07-09 |
Family
ID=31166822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986202439U Pending JPS63106237U (en) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63106237U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58206244A (en) * | 1982-05-27 | 1983-12-01 | Sanyo Electric Co Ltd | Transmitting and receiving device of cordless telephone |
-
1986
- 1986-12-26 JP JP1986202439U patent/JPS63106237U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58206244A (en) * | 1982-05-27 | 1983-12-01 | Sanyo Electric Co Ltd | Transmitting and receiving device of cordless telephone |
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