JPH05169878A - Photographic mount with audio generator - Google Patents

Abstract

PURPOSE:To enhance productivity and obtain a thin and light-weight photographic mount by a method wherein in a photographic panel or mount provided with an audio generating circuit on the back surface thereof, an electronic circuit is integrally provided on or in a substrate for mounting a piezoelectric speaker and a push button switch. CONSTITUTION:A photographic mount or panel (mount, from now on) 1 is provided with a frame 2 on the surface thereof. A desired photograph is so mounted as to be appreciated from a window part 3 surrounded by the frame 2. A support part (shown by a dotted line) forming an audio generating part 5 is built in a part of the mount 1. The audio generating part 5 is a planar resin which is integrally molded with an electronic circuit 10 consisting of a memory circuit, a transmitting circuit, and an amplifying circuit for audio generation. A thin-type speaker using a piezoelectric element and the like is mounted on a flat part 6 of the audio generating part 5. A hollow projection part is disposed downward of the audio generating part 5. In this part, a thin battery and a push button switch 4 are provided. The head part of the switch 4 is projected on the surface of the mount 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support for mounting various parts constituting a photographic mount with a sound generating device, in which a sound generating circuit is installed on the back of a photographic panel or a mount.

[0002]

2. Description of the Related Art In a photo mount with a sound generator, a sound generating electronic circuit installed on the back of the photo panel or the mount is usually made of glass epoxy or the like as described in Japanese Utility Model Publication No. 2-44783. A circuit pattern is formed on a printed circuit board, this circuit pattern is plated with gold, and memory ICs such as ROM, PROM, EEPROM, etc. and bare chips of various ICs are mounted to form an electronic circuit board (printed circuit board) for voice generation. is doing. Then, the printed circuit board is installed on a support that also serves as a resonance part for mounting a piezoelectric speaker, a battery, a push button switch, etc., and constitutes the entire sound generating part.

[0003]

As described above, in the structure of the sound generating unit conventionally used for the photo mount with the sound generating device, the printed circuit board of the sound generating electronic circuit, the speaker, the battery, and the like are provided. It is a separate body from the support that also functions as the resonance part to be attached. Therefore, the separately assembled electronic circuit printed circuit boards are later attached to the support body in the same manner as the speaker and the battery. Therefore, the number of assembling steps is increased, the production yield is affected, and the cost is increased. Further, although a thinner mount or panel is preferable as a photo mount with a sound generator, there is a limit to further reducing the thickness of the wired electronic circuit board, and it is difficult to further reduce the thickness of the mount as a whole. There was a certain problem.

[0004]

SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving the above problems, and an electronic circuit including a memory circuit, a transmitting circuit, and an amplifying circuit for emitting a sound is provided on the back surface of a panel or a mount. , A photographic mount with a sound generating device in which a piezoelectric speaker and a battery are installed, the electronic circuit,
A photographic mount with a sound generating device, which is integrally formed on or inside a support for mounting the piezoelectric speaker, the battery, and the push button switch.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing the overall construction of a photo mount with a sound generating device using the present invention, FIG. 2 (A) is a plan view thereof, FIG. 2 (B) is a side sectional view thereof, and FIG. ) Is a plan view of the sound generating unit, FIG. 3B is a side sectional view thereof, and FIG. 4 is a block diagram of an electronic circuit.

In FIG. 1, reference numeral 1 denotes a main body of a photo mount or panel (hereinafter, referred to as a mount) having a sound generating device, which has a frame 2 on its surface so that it can be viewed from a window 3 surrounded by the frame 2. When the target picture P is pasted and the push button switch 4 is pressed, a target sound is generated and used. The portion indicated by the dotted line in FIG. 2A constitutes the sound generating unit 5 by the integrally formed support of the present invention, and is shown in detail in FIGS. 3A and 3B. It is partly incorporated. Therefore, the mount main body has a certain thickness as shown in the side sectional view of FIG. The sound generating unit 5 (support) is made of resin in a plate shape and is integrally molded with a sound generating electronic circuit 10 described later. In addition, a thin speaker 7 using a piezoelectric element or the like is provided on the flat surface portion 6 of the sound generating portion 5.
Is attached, and the flat portion 6 provides the effect of a vibration (resonance) plate for amplifying the sound. Of course, the speaker 7 is electrically connected to an electronic circuit described later. Further, as shown in the sectional view of FIG. 3 (B), there is a hollow protrusion 8 in the lower part of the sound generating unit 5 shown in FIG. is set up. It is preferable to use a lithium battery as the battery 9 in terms of thinness and life. The head portion of the push button switch 4 is placed on the surface of the mount 1 so that the buttons can be easily operated.

An electronic circuit section for voice generation according to the block diagram shown in FIG. 4 (hereinafter simply referred to as an electronic circuit section) is provided at a portion of the bottom of the protrusion 8 which does not hinder the attachment of the battery 9 and the push button switch 4. 10 is configured, and by operating the push button switch, this electronic circuit section 10 operates,
The target photo mount with sound generator operates.

The electronic circuit section 10 has conventionally used a separate printed circuit board such as glass epoxy resin having a circuit pattern plated with gold, but in the present invention, a molded product with a circuit integrated with the sound generating section 5 is used. .. A molded product with a circuit is a molded product in which a wiring circuit is directly arranged on an injection molded product.
It is called an "dedded Interconnection Device". For this molded product with a circuit, a plastic film having a laminated copper foil is prepared, a circuit is molded by etching the copper foil portion, and the etched plastic film and the sound generating unit 5 are integrated in a mold. It is manufactured by molding. Besides this, there is also a method of forming a wiring circuit by electroless plating, which is called an active method. In any case, the electronic circuit board and the sound generating unit 5 are integrally formed. So-called engineering plastics can be used as the material for these integrally molded products. Specifically, modified PPE (PPE
(Polyphenylene ether) / PS (polystyrene) resin, PPE / PBT (polybutylene terephthalate),
PPE / PET (polyethylene terephthalate), PPE
/ PCT (poly-1,4-cyclohexanedimethylene terephthalate), chemical resistance PPE (PPE / PA (polyamide) resin), glass-filled (0-40%) modified PPE, polycarbonate (PC), polyamide (PA) ), Polybutylene terephthalate (PBT), glass reinforced PET (G
F-PET), poly-1,4-cyclohexane dimethylene terephthalate (PCT), polyacetal (POM), polymethylene pentene (PMP), glass fiber reinforced PMP
(FR-PMP), ethylene vinyl alcohol copolymer (EVOH), polyphenylene sulfide (PP
S), polyarylate (PAR), polysulfone (PS)
F), polyallylsanphone (PASF), polyethersulfone (PES), polyetherimide (PEI),
Ketone-based polymer (polyetherketone (PEEK),
Polyketone, etc., imide polymer (polyimide (P
I), polyamide imide (PAI) and the like), fluororesin (polytetrafluoroethylene (PTFE) and the like), acrylic acid resin liquid crystal polymer (LCP) and the like, and composites thereof can be used.

In the electronic circuit section 10 of the voice generating section 5 integrally molded in this way, an RO that constitutes an electronic circuit for voice generation is provided.
Bare-chip memory I such as M, PROM, EEPROM, etc.
Various ICs such as C11, oscillator circuit IC12, and amplifier circuit IC13 are mounted, and these are electrically connected by the wire bonding technique to form the electronic circuit of the block diagram of FIG.

As described above, the sound generating unit 5 can be made thinner, and thus the entire mount can be made thinner.

[0011]

As described above, since the electronic circuit of the photo mount with the sound generator has conventionally used a separate printed circuit board, it takes a lot of manufacturing man-hours and the mount itself cannot be thinned beyond a certain limit. However, these problems have been solved by using the integrally molded product of the present invention. Therefore, it has become possible to provide an inexpensive, thinner, and lighter photo mount with a sound generating device, which is improved in productivity and always operates stably.

[Brief description of drawings]

FIG. 1 is a perspective view of a photo mount with a sound generator.

2A and 2B are a plan view and a side sectional view of a photo mount with a sound generating device.

3A and 3B are a plan view and a side sectional view of a sound generating unit.

FIG. 4 is a block diagram of an electronic circuit.

[Explanation of symbols]

 1 Mount (panel) 2 Frame 3 Cut window 4 Push button switch 5 Sound generator 6 Plane 7 Speaker 8 Projection 9 Battery 10 Electronic circuit 11 Memory IC 12 Oscillation circuit IC 13 Amplification circuit IC P Photo

Claims (1)

[Claims] 1. An electronic circuit comprising a memory circuit for emitting a sound, a transmitting circuit, and an amplifying circuit on a back surface of a panel or a mount,
A photo mount with a piezoelectric speaker and a battery, which is provided with a sound generator, wherein the electronic circuit is integrally formed on or inside the support for mounting the piezoelectric speaker, the battery, and the push button switch. Photo mount.