JPH0475444U - - Google Patents
Info
- Publication number
- JPH0475444U JPH0475444U JP11770990U JP11770990U JPH0475444U JP H0475444 U JPH0475444 U JP H0475444U JP 11770990 U JP11770990 U JP 11770990U JP 11770990 U JP11770990 U JP 11770990U JP H0475444 U JPH0475444 U JP H0475444U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply battery
- circuit
- power
- lifespan
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案の第１実施例の回路構成を示す
図、第２図は本考案の第２実施例の回路構成を示
す図である。
１……ＣＰＵ、２……アンテナ、３……受信部
、４……デコーダ部、５……ＩＤ−ＲＯＭ、６…
…スイツチングトランジスタ、７……ＲＡＭ、８
……キー入力部、１０，１２，１４……増幅回路
、１１……バイブレータ、１３……スピーカ、１
５……ＬＥＤ、１７……表示バツフア、１８……
表示部、１９……第１電源電池、２０……第１電
圧検出回路、２１……切替回路、２２……第２電
源電池、２３……第２電圧検出回路、Ｍ，Ｍ′…
…主要回路部、Ａ……増幅器部、Ｐ……前段回路
部。
FIG. 1 is a diagram showing a circuit configuration of a first embodiment of the present invention, and FIG. 2 is a diagram showing a circuit configuration of a second embodiment of the present invention. 1...CPU, 2...Antenna, 3...Receiving section, 4...Decoder section, 5...ID-ROM, 6...
...Switching transistor, 7...RAM, 8
... Key input section, 10, 12, 14 ... Amplifier circuit, 11 ... Vibrator, 13 ... Speaker, 1
5...LED, 17...Display buffer, 18...
Display unit, 19...First power supply battery, 20...First voltage detection circuit, 21...Switching circuit, 22...Second power supply battery, 23...Second voltage detection circuit, M, M'...
...Main circuit section, A...Amplifier section, P...Pre-stage circuit section.
Claims (1)
信内容を記憶する記憶回路を少なくとも含む第１
回路部に電力を供給する第１電源電池と、 上記第１電源電池が電力を供給する第１回路部
以外の回路からなる第２回路部に電力を供給する
第２電源電池と、 前記第１電源電池の電圧が所定値以下になつた
ときに、寿命検出信号を送出する寿命検出手段と
、 上記寿命検出手段からの寿命検出信号を得て、
上記第１回路部への電力供給を第２電源電池によ
り行なう電源切替手段とを備えることを特徴とす
る選択呼出受信機。 (2) 装置全体を制御する中央処理装置、受信内
容を記憶する記憶回路および受信信号を解読し、
該選択呼出受信機に対して送られてきたものかを
判断するデコーダを少なくとも含むデジタル回路
部に、電力を供給する第１電源電池と、 送られてきた電波を受信して、対応するビツト
列に変換して送出する受信部を少なくとも含むア
ナログ回路部に、電力を供給する第２電源電池と
、 前記第１電源電池の電圧が所定値以下になつた
ときに寿命検出信号を送出する寿命検出手段と、 上記寿命検出手段からの寿命検出信号を得て、
上記デジタル回路部への電力供給を第２電源電池
により行なう電源切替手段とを備えることを特徴
とする選択呼出受信機。 (3) 中央処理装置および記憶回路を少なくとも
含み、受信データの記憶処理および表示処理を行
なう第１回路部に電力を供給する第１電源電池と
、 受信部およびデコーダ部を少なくとも含み呼出
し信号を受信する第２回路部に電力を供給する第
２電源電池と、 前記第１電源電池の電圧が所定値以下になつた
ときに寿命検出信号を送出する寿命検出手段と、 上記寿命検出手段からの寿命検出信号を得て上
記第１回路部への電力供給を第２電源電池により
行なう電源切替手段とを備えることを特徴とする
選択呼出受信機。[Claims for Utility Model Registration] (1) A first device that includes at least a central processing unit that controls the entire device and a storage circuit that stores received contents.
a first power supply battery that supplies power to a circuit unit; a second power supply battery that supplies power to a second circuit unit that includes a circuit other than the first circuit unit to which the first power supply battery supplies power; life detection means for transmitting a life detection signal when the voltage of the power supply battery falls below a predetermined value; and obtaining a life detection signal from the life detection means;
A selective call receiver comprising power supply switching means for supplying power to the first circuit section using a second power supply battery. (2) A central processing unit that controls the entire device, a memory circuit that stores the received content, and a memory circuit that decodes the received signal.
a first power supply battery that supplies power to a digital circuit section that includes at least a decoder that determines whether a radio wave has been sent to the selective call receiver; a second power supply battery that supplies power to an analog circuit section that includes at least a reception section that converts the converted signal into an analog circuit, and a lifespan detection device that sends a lifespan detection signal when the voltage of the first power supply battery becomes equal to or less than a predetermined value. means, and obtaining a life detection signal from the life detection means,
A selective call receiver comprising power supply switching means for supplying power to the digital circuit section using a second power supply battery. (3) a first power supply battery that supplies power to a first circuit section that includes at least a central processing unit and a storage circuit and performs storage processing and display processing of received data; and a first power supply battery that includes at least a reception section and a decoder section and receives a call signal. a second power supply battery that supplies power to a second circuit section; a lifespan detection means that sends a lifespan detection signal when the voltage of the first power supply battery falls below a predetermined value; and a lifespan detected by the lifespan detection means. A selective call receiver comprising: power supply switching means for obtaining a detection signal and supplying power to the first circuit section using a second power supply battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11770990U JPH0475444U (en) | 1990-11-13 | 1990-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11770990U JPH0475444U (en) | 1990-11-13 | 1990-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475444U true JPH0475444U (en) | 1992-07-01 |
Family
ID=31865613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11770990U Pending JPH0475444U (en) | 1990-11-13 | 1990-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475444U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63283235A (en) * | 1987-05-15 | 1988-11-21 | Nec Corp | Mobile communication equipment |
-
1990
- 1990-11-13 JP JP11770990U patent/JPH0475444U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63283235A (en) * | 1987-05-15 | 1988-11-21 | Nec Corp | Mobile communication equipment |
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