CN2266239Y

CN2266239Y - Multifunctional power for portable phone

Info

Publication number: CN2266239Y
Application number: CN96212075U
Authority: CN
Inventors: 尹锡禧
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-29
Filing date: 1996-05-29
Publication date: 1997-10-29
Anticipated expiration: 2006-05-29

Abstract

The utility model relates to a multifunctional power supply for portable phones, which belongs to a power unit for phones. The aim of the utility model is to utilize the leftover space of the power casing of the existing portable phone, a device used for sound recording, sound playing and illumination is additionally arranged in the power casing, and under the condition that the volume of the power casing is not increased, the requirements of portable phone users are conveniently met. The device used for sound recording, sound playing and illumination which is additionally arranged is arranged in the leftover space of the original power casing, and the device used for sound recording, sound playing and illumination is composed of a speech chip, peripheral elements, a loudspeaker, a rheomicrophone and a temporary illuminating lamp bulb; the surface of the casing is additionally provided with an operation button for the device used for sound recording, sound playing and illumination and corresponding elements. The utility model is suitable for portable phones of various models.

Description

The personal handyphone multifunctional power

The utility model belongs to telephone power equipment, has various personal handyphone models, the compatibility of all size battery.

At present, popularizing of personal handyphone brings convenience to people's office, life.Yet people are expert to walk and upward or in the driving on the way use, and the demand of noting down is arranged, and remove outside the temporary telephone number, and commercially available personal handyphone also still can not satisfy; In addition,, wish to have a kind of convenient illumination at night or dark local, the interim need of consulting, write, look for something, unblanking etc. that solve, personal handyphone also is unable to handle; Say that again the personal handyphone power supply is except depositing rechargeable battery, also still some remaining space can be supported utilization.

The utility model purpose is to utilize the remaining space of present personal handyphone power shell, installs recording, playback, lighting device additional, is not increasing under the volume conditions, makes things convenient for personal handyphone user demand.

The utility model purpose is achieved in that

A kind of personal handyphone multifunctional power is characterized in that having installed additional recording, playback, temporary lighting and is installed in the former power shell remaining space; Described device mainly is made up of speech chip and peripheral cell thereof and loudspeaker, microphone, temporary lighting bulb; Described surface of shell installs the action button and the corresponding element of recording, playback, temporary lighting additional.

In conjunction with legend, further specify the utility model content.

The three-dimensional outline drawing 1 of Fig. 1-1 the utility model

The three-dimensional outline drawing 2 of Fig. 1-2 the utility model

Fig. 2 the utility model circuit diagram

Fig. 3 speech chip theory diagram

Identifier is as follows among the figure:

ISD1420 speech chip R ₁R ₉Resistance

78L05 voltage transformation integrated circuit C ₁C ₅Electric capacity

1 alignment pin 2 (L) bulb, 3 (S ₂) record button 4 (S ₃) the illumination key

5 (S ₁) playback button 6 charging electrode joints 7 loudspeaker 8 (Mic) microphones

Fig. 1-1 and Fig. 1-2 are the three-dimensional outline drawings of the utility model, the former ultrathin type, and the latter is early stage " big The brother is big ". Be fit to various model personal handyphones and different size thin battery. The former shell is only original The alignment pin 1 and the charging electrode joint 6 that are fixed in phone are arranged, and the latter only had Yan electricity electrode contact 6 originally. The utility model circuit arrangement is installed in the remaining space of shell, and action button (recording, playback, is faced Shi Zhaoming), lighting bulb, loudspeaker and microphone are contained in case surface. From appearance, they are respectively Bulb 2, record button 3, illumination key 4, playback button 5, loudspeaker 7, microphone 8. Microphone 8 is with former portable The earphone direction of telephone set is consistent, includes the language of partner, successful.

Fig. 2 is the utility model circuit diagram. This circuit is made up of speech chip and peripheral cell thereof, realizes Recording, playback, temporary lighting and function of supplying power. Voltage changer 78L05 makes 6V become 5V, gives language The sound chip power supply is also protected chip simultaneously, avoids the high voltage when the mobile phone machine battery charges to hit The punching sheet.

Address A₀-A ₇, clock squeeze into the end XCLK because of not the use ground connection. Playback end PLAYL, PLAYE REC passes through the 100K resistance R with the recording end₁、R ₂、R ₃Connecting power supply is biased. Refreshing end RECLED passes through The 2K resistance R₄Connect power supply and be biased, then by biasing circuit R₆、R ₆、R ₇And C₆Link to each other with microphone, make E²PROM refreshes while recording. Automatic gain control AGC links to each other with ground wire by the capacitance-resistance negative-feedback, plays The undistorted effect of the signal of recording. The microphone end links to each other with external microphone Mic. Analog input, output because of Need not and consist of closed loop with capacitance-resistance. Pin one 4,15 connects the loudspeaker of 16 Ω. C₁Be power filter, C₃、 C ₄Consist of Mic audio frequency stopping direct current coupling capacitance.

Recording:

Described speech chip pin 27 connects recording and starts the end key S that holds concurrently ₂Ground connection again,

23,24,25 and 27 connects different resistance one ends respectively, 5 volts of ends of another termination voltage changer of resistance, pin 19 is through electric capacity parallel with one another, resistance ground connection again, and pin 17,18 passes through capacitor C respectively ₃, C ₄Mic is connected with microphone.

When clicking recording start key S ₂The time, give REC (pin two 7) low trigger pulse, recording circuit is started working, and record microphone Mic down receives partner sound, and deposits in digital signal through analog-to-digital conversion and can rewrite programming read-only memory E ²Among the PROM while refreshing the typing new signal, click S again ₂Key, recording state finishes.Record how long, how long resets, and can repeat playback.

Playback:

Described speech chip pin 24 connects 5 volts of ends of voltage changer through a resistance earlier, again through playback start key S ₁Ground connection again, pin 14,15 connects loudspeaker.

When clicking playback start key S ₁The time, PLAYL receives undersuing, triggers playback circuit there being E ²The PROM message is read, and delivers to power amplifier through digital-to-analogue conversion and filter, by the loudspeaker pronunciation, the signal of being recorded has been put at last, and tone playing state finishes automatically.Can repeat playback.

Illumination:

Cross-over connection series lighting key S between 6 volts of ends of described speech chip power supply and the ground ₃And bulb.

When pressing illumination key S ₃The time, lamp L is bright.Unclamp S ₃The time, lighting circuit cuts out, and lamp goes out.Bulb is directly powered by rechargeable battery 6V.

Pin 16,28 connects 5 volts ends of voltage changers, pin 12,13 ground connection, 5 volts hold and ground between the cross-over connection capacitor C ₁, reach the power supply purpose.

Fig. 3 is a speech chip ISD1420 operation principle block diagram.

Pin one-6 and 9, the 10th, the address A of buffer ₀-A ₇, in the utility model, do not use and ground connection.

Pin one the 6,13,28, the 12nd, power Vcc D, VssA, VccA, VssD

Pin two the 7,24,23, the 25th is recorded (REC), is put (PLAYE, PLAYL) control

Pin one the 7, the 18th, microphone contact MiCREF and Mic

Pin two 0 is input end of analog signal ANAIN

Pin two 1 is analog signal output ANAOUT

Pin two 6 is that clock is squeezed into end XCLK, and the utility model does not use and ground connection.

Pin one 9 is automatic gain control AGC, in certain limit, makes signal controlling recorded audio signals undistorted.

Pin one the 4, the 15th, power amplifier output SP ⁺, SP ^-Connect loudspeaker.

7,8,11,22 does not use.

When starting sound-recording function REC, microphone is amplified to automatic gain control AGC to outside sound through amplifier, reenters anti-confusion filtering device and modulus revolving die device and becomes digital electric signal and deposit memory E in ²PROM (can rewrite programming read-only memory), while refreshing the record new signal, Recording Process that Here it is, but repeated taping; When starting player function PLAYE, memory E ²Digital electric signal becomes voice signal through digital-to-analogue conversion in the PROM, exports the loudspeaker playback to through filter and power amplifier, and playback finishes and automatically shuts down, but repeat playing.

The utility model advantage:

Compact conformation, recording, playback, illumination integrated, easy to use.

Embodiment

Housing adopts Fig. 1-1 contour structures.Speech IC model ISD1420, voltage changer model 78L05,6V bulb, loudspeaker 16 Ω.The utility model power supply and mobile phone body dress are one.

When walking, the conversation of two places, Guangzhou, Beijing, the other side's sound has been descended in record." patent is accepted, and application number is * * * * * * * *. *." get home after, playback is come out, sound is clear, and the note on basis.

Claims

1, a kind of personal handyphone multifunctional power is characterized in that having installed additional recording, playback, temporary lighting and is installed in the former power shell remaining space; Described device mainly is made up of speech chip and peripheral cell thereof and loudspeaker, microphone, temporary lighting bulb; Described surface of shell installs the action button and the corresponding element of recording, playback, temporary lighting additional;

Described speech chip pin 27 connects recording and starts the end key S that holds concurrently ₂Ground connection again, pin 23,24,25 and 27 connects different resistance one ends respectively, 5 volts of ends of another termination voltage changer of resistance, pin 19 is through electric capacity parallel with one another, resistance ground connection again, and pin 17,18 passes through capacitor C respectively ₃, C ₄Mic is connected with microphone, thereby finishes Recording Process;

Described speech chip pin 24 connects 5 volts of ends of voltage changer through a resistance earlier, again through playback start key S ₁Ground connection again, pin 14,15 connects loudspeaker, thereby finishes the playback process;

Cross-over connection series lighting key S between 6 volts of ends of described speech chip power supply and the ground ₃And bulb, thereby finish lighting process;

Pin 16,28 connects 5 volts ends of voltage changers, pin 12,13 ground connection, 5 volts hold and ground between the cross-over connection capacitor C ₁, reach the power supply purpose;

Connecting pin 20,21 constitutes closed loop after resistance, the capacitances in series; Be connected to microphone one end by 5 volts of end series connection of voltage changer, two resistance, the intersection point of two resistance of connecting connects capacitor C ₆After be divided into two the tunnel one the tunnel again through resistance R ₇Connect the microphone other end, to be biased another road pin 25 to microphone.