JPH0270544U - - Google Patents
Info
- Publication number
- JPH0270544U JPH0270544U JP14919488U JP14919488U JPH0270544U JP H0270544 U JPH0270544 U JP H0270544U JP 14919488 U JP14919488 U JP 14919488U JP 14919488 U JP14919488 U JP 14919488U JP H0270544 U JPH0270544 U JP H0270544U
- Authority
- JP
- Japan
- Prior art keywords
- incoming
- signal
- incoming signal
- section
- transmitter
- 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 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の電話呼び鈴の一実施例を示す
ブロツク図である。
１……着信送信器、２……着信受信器、１１…
…着信信号検出部、１２……増幅部、１３……周
波数変調部、１４……送信部、２１……受信部、
２２……周波数弁別部、２３……振幅復調部、２
４……増幅部、２５……着信表示部、２６……呼
び鈴部。
FIG. 1 is a block diagram showing an embodiment of the telephone doorbell of the present invention. 1... Incoming transmitter, 2... Incoming receiver, 11...
... Incoming signal detection section, 12 ... Amplification section, 13 ... Frequency modulation section, 14 ... Transmission section, 21 ... Receiving section,
22... Frequency discriminator, 23... Amplitude demodulator, 2
4...Amplification section, 25...Incoming call display section, 26...Doorbell section.
Claims (1)
検出することによりこの着信信号を検出する着信
信号検出部、その検出した着信信号を変調する変
調部およびその変調信号を電波として送出する送
出部から成る着信送信器と、前記着信送信器より
送出された前記電波を受信する受信部、前記変調
された着信信号を復調する復調部、その復調した
信号を使用者に知らせるための可聴および可視表
示部から成る着信受信器とから構成されることを
特徴とする電話呼び鈴。 Consists of an incoming signal detection section that detects an incoming signal by detecting an induced current from the magnetic field generated by the incoming signal on a telephone line, a modulation section that modulates the detected incoming signal, and a transmission section that sends out the modulated signal as a radio wave. an incoming transmitter, a receiving unit that receives the radio waves transmitted from the incoming transmitter, a demodulating unit that demodulates the modulated incoming signal, and an audible and visible display unit that notifies the user of the demodulated signal. A telephone doorbell comprising: an incoming call receiver;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14919488U JPH0270544U (en) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14919488U JPH0270544U (en) | 1988-11-15 | 1988-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0270544U true JPH0270544U (en) | 1990-05-29 |
Family
ID=31421203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14919488U Pending JPH0270544U (en) | 1988-11-15 | 1988-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0270544U (en) |
-
1988
- 1988-11-15 JP JP14919488U patent/JPH0270544U/ja active Pending
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