CN2805241Y - Telephone set used in baby room - Google Patents
Telephone set used in baby room Download PDFInfo
- Publication number
- CN2805241Y CN2805241Y CN 200520072778 CN200520072778U CN2805241Y CN 2805241 Y CN2805241 Y CN 2805241Y CN 200520072778 CN200520072778 CN 200520072778 CN 200520072778 U CN200520072778 U CN 200520072778U CN 2805241 Y CN2805241 Y CN 2805241Y
- Authority
- CN
- China
- Prior art keywords
- ring
- circuit
- volume control
- control circuit
- telephone set
- 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.)
- Expired - Fee Related
Links
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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- Telephone Set Structure (AREA)
Abstract
The utility model relates to a telephone used in a baby room, which comprises a shell, a dual-voice dialing circuit, a microphone, a receiver, a ringing circuit and a ringing volume control circuit formed by an active amplifier connected with a ringing driver. The parallel or the series circuit of ringing load output by the ringing volume control circuit is provided with a continuous adjustable resistor. The utility model is characterized in that the telephone used in a baby room has low-volume telephone ring which can be regulated to the minimum ring. A light emitting diode connected in series with a parallel resistor circuit can be very bright to also provide an incoming call reminding function. The utility model used for the baby room can get favorable effects: a person at rest can not be suddenly awakened up because of low ring for incoming calls. The light emitting diode connected in series with the parallel resistor circuit can brighten the emitted light when the ring is lowered, so as to retain the prompting function of the telephone.
Description
One, technical field
The utility model relates to a kind of telephone set of utmost point amount of bass, especially the infant room telephone set.
Two, background technology
The telephone set of utmost point amount of bass has its original purposes, and the telephone set that uses as infant room has high request to telephone bell, even the normal domestic use phone also has this requirement at dead of night the time, wakes from a dream with a start in order to avoid disturb to sleep.Do not see at present the telephone set design that utmost point amount of bass is arranged, the tinkle of bells design of telephone set still rests on stepping and regulates, and still decibels is too high in such use for the tinkle of bells of low-grade section.
Three, summary of the invention
The purpose of this utility model is: provide a kind of telephone set of the utmost point amount of bass that can regulate continuously, in particular for infant room telephone set and the telephone set that uses when late at night.
The purpose of this utility model is achieved in that the infant room telephone set, by housing, dual-tone dialing circuit, transmitter and receiver, ring and ringer volume control circuit, the ringer volume control circuit is that an activated amplifier connects the ring driving, and the ring load of exporting in ringer volume control circuit loop in parallel or series connection is provided with continuous adjustable resistance.
The scope of adjustable resistance continuously in parallel is 0-10K on the ring load shunt circuit of ringer volume control circuit output, the resistance of the 10-100 Ω that connects simultaneously.
Improvement of the present utility model is: be in series with light-emitting diode in ring parallel resistor circuit.
Characteristics of the present utility model are: infant room telephone set telephone ringer applicator amount of bass can be adjusted to the tinkle of bells minimum.The light-emitting diode of connecting in the parallel resistor circuit can be very bright, and good call reminding effect is arranged equally.The utility model is used for infant room can obtain good effect, and as people during in rest, even there is phone to squeeze into, its tinkle of bells is also very soft, avoids waking up with a start suddenly in the dream.Can luminous increase when reducing when being in series with light-emitting diode in the ring parallel resistor circuit along with the tinkle of bells, keep the suggesting effect of phone.The resistance of choosing scope of embodiments can make the tinkle of bells reduce to be low to moderate 30-40DB most.
Four, description of drawings
Fig. 1 is the utility model circuit diagram
Fig. 2 is the another kind of circuit diagram of the utility model, promptly is provided with continuous adjustable resistance on the loop of series connection.
Five, embodiment
Ring Y can be loud speaker among Fig. 1, and the ring shunt circuit is provided with continuous adjustable resistance R2 in the utility model ringer volume control circuit, and the scope of adjustable resistance R2 is 0-10K continuously, and other is provided with a fixed resistance R1, and resistance is 10-100 Ω.Adjustable resistance is selected knob resistance or potentiometer structure for use continuously, and the ring the tinkle of bells shows the relevant caller identification mode that is with LED1 or LED2.Be in series with LED 2 in the ring parallel resistor circuit and can be colorful light-emitting LED.
The utility model ringer volume control circuit activated amplifier is the continuous adjustable resistance of all can connecting on base stage, emitter or the collector electrode of triode T among Fig. 1, is respectively R7, R5, R4, and the scope of adjustable resistance is 0.5-30K continuously.Adjustable resistance is also selected adjustable resistance or potentiometer structure for use continuously.Triode T can also adopt metal-oxide-semiconductor, can also adopt operational amplifier, and these all do not exceed scope of the present utility model.
The loop of ring series connection is provided with continuous adjustable resistance among Fig. 2, and the scope of adjustable resistance R9 is 0-10K continuously.
Ring can also drive ring by an active amplifying circuit among Fig. 2.
Claims (5)
1, infant room telephone set, by housing, dual-tone dialing circuit, transmitter and receiver, ring and ringer volume control circuit, the ringer volume control circuit is that an activated amplifier connects the ring driving, it is characterized in that the ring load of exporting in ringer volume control circuit loop in parallel or series connection is provided with continuous adjustable resistance.
2,, it is characterized in that the scope of adjustable resistance continuously in parallel is 0-10K on the ring load shunt circuit of ringer volume control circuit output, the resistance of the 10-100 Ω that connects simultaneously by the described infant room telephone set of claim 1.
3,, it is characterized in that in ring parallel resistor circuit, being in series with light-emitting diode by the described infant room telephone set of claim 2.
4,, it is characterized in that series connection variable resistor 0.5-30K on the base stage of triode of ringer volume control circuit by the described infant room telephone set of claim 1.
5,, it is characterized in that series connection variable resistor 0.5-30K on the emitter of triode amplifier of ringer volume control circuit or the collector electrode by the described infant room telephone set of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072778 CN2805241Y (en) | 2005-06-17 | 2005-06-17 | Telephone set used in baby room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520072778 CN2805241Y (en) | 2005-06-17 | 2005-06-17 | Telephone set used in baby room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2805241Y true CN2805241Y (en) | 2006-08-09 |
Family
ID=36910524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520072778 Expired - Fee Related CN2805241Y (en) | 2005-06-17 | 2005-06-17 | Telephone set used in baby room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2805241Y (en) |
-
2005
- 2005-06-17 CN CN 200520072778 patent/CN2805241Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |