CN2356333Y

CN2356333Y - Improved infrared receiver

Info

Publication number: CN2356333Y
Application number: CN 98248694
Authority: CN
Inventors: 何星莹
Original assignee: Powerleader Science & Technology Co Ltd
Current assignee: Powerleader Science & Technology Co Ltd
Priority date: 1998-11-17
Filing date: 1998-11-17
Publication date: 1999-12-29
Anticipated expiration: 2008-11-17

Abstract

The utility model relates to an improved infrared receiver, which comprises an outer frame. A photosensitive chip is arranged in the outer frame, and a plurality of connecting feet are connected to the photosensitive chip. The front side surface of the outer frame is provided with two notches corresponding to the photosensitive chip, and the back side surface of the notches is provided with a light receiving surface. A flesh thickness with a certain thickness exists between the light receiving surface and the photosensitive chip. The section except the front side surface of the outer frame and the light receiving surface in the notches is provided with a light shading layer. The utility model has the advantages of low cost, easy positioning, and high rate of products meeting standards.

Description

The improvement type infrared receiver

The utility model relates to a kind of improvement type infrared receiver, refer to that especially a kind of cost that makes reduces, and product advances the infrared receiver that rate can improve.

Taiwan patent gazette Announcement Number: 288640, cases such as 290143, all disclose slide-mouse input media commonly used is arranged, as shown in Figure 1, 2, its scrambler comprises by a grating wheel 10a, an infrared transmitter 11a, an infrared receiver 12a and a positioning seat 13a and being formed.Infrared transmitter 11a and receiver 12a all are positioned on the circuit board by positioning seat 13a, infrared transmitter 11a and receiver 12a are arranged at the side of grating wheel 10a respectively, the infrared radiation of being launched by infrared transmitter 11a is in grating wheel 10a, infrared receiver 12a is arranged on the periphery near grating wheel 0a, to receive the infrared ray that periphery was emitted by grating wheel 10a, when grating wheel 10a rotates, the infrared ray that infrared transmitter 11a sent, can be subjected to grating wheel 10a and go up covering of lightproof part, and receive the infrared ray that infrared transmitter 11a is sent, these two kinds of situations can be with (0,1) represents that (wherein 1 represents printing opacity, 0 expression is light tight), in grid wheel 10a rotates continuously, just can obtain (1,1), (0,1), (0,0) reaches (1,0) after four signals, these signals are changed through circuit board, the vernier on the just removable screen.

Above-mentioned infrared receiver 12a commonly used must be positioned on the circuit board by positioning seat 13a, and need to be provided with perforation 14a in positioning seat 13a, by the setting of this perforation 14a, can guide the sensitization wafer that infrared ray enters infrared receiver 12a, in order to avoid infrared ray causes diffusion and scattering.Because positioning seat 13a degree of accuracy is had relatively high expectations, the manufacturing is difficult for, and rather expends cost, and the essential accurate perforation 14a of infrared receiver 12a to positioning seat 13a, infrared receiver 12a is positioned on the positioning seat 13a very difficult, is easy to generate error, and it is lower that product advances rate.

The purpose of this utility model is to provide a kind of improvement type infrared receiver, includes a housing, a sensitization wafer and number branch connecting pin and forms.Its leading flank in this housing is provided with two grooves corresponding to the sensitization wafer, and this groove extends inwardly near sensitization wafer place; Expose to the leading flank of housing when infrared ray, can guide infrared ray by groove enters in the housing, and levy by the sensitization crystalline substance and to be responded to reception, the setting of this groove can be commonly used the perforation of positioning seat in order to replacement, what therefore need not waste time and energy is positioned on the positioning seat again, be difficult for having error to produce, its product percent of pass can significantly improve.

The purpose of this utility model is achieved in that a kind of improvement type infrared receiver, includes a housing; One sensitization wafer is located in the housing and the number branch connecting pin is connected in this sensitization wafer; It is characterized in that: the side is provided with two grooves corresponding to this sensitization wafer before this housing, this groove trailing flank is provided with sensitive surface, it is thick to have certain thickness meat between this sensitive surface and the sensitization wafer, and the front side one-tenth of this housing and the part beyond the inside grooves sensitive surface also are provided with light shield layer.

Light shield layer is texture or mode of printing setting.

In sum, the utility model for improve infrared receiver commonly used must be positioned on the circuit board by positioning seat, production cost is higher, and problem such as infrared receiver is positioned positioning seat and is difficult for, and is easy to generate error, and product percent of pass is lower.

Below in conjunction with accompanying drawing and specific embodiments, the utility model is described further.

Fig. 1 is a three-dimensional exploded view of commonly using scrambler;

Fig. 2 is a three-dimensional combination figure of commonly using scrambler;

Fig. 3 is a stereographic map of the present utility model;

Fig. 4 is a cut-open view of the present utility model;

Fig. 5 is a user mode synoptic diagram of the present utility model.

As shown in Figures 3 and 4, the utility model provides a kind of improvement type infrared receiver, it includes a housing 10, one sensitization wafer 11 and number branch connecting pin 12 are formed, housing 10 wherein is made with light-transmitting materials, it generally is a square body, be provided with a sensitization wafer 11 in this housing 11, can receive the infrared ray of injecting, this sensitization wafer 11 also is connected with several branch connecting pins 12, these branch connecting pin 12 lower ends also pass housing 10, can be fixed on the circuit board in order to grafting, the utility model mainly is provided with two grooves 14 corresponding to this sensitization wafer 11 in housing 10 bright leading flanks, this groove 14 extends inwardly near sensitization wafer 11 places, groove 14 trailing flanks form sensitive surface 13, has certain thickness meat thick 15 between this sensitive surface 13 and the sensitization wafer 11, in addition in the leading flank of housing 10 and the part beyond the groove 14 inner sensitive surfaces 13, can texture or mode such as printing be provided with light shield layer 16, enter housing 10 and cause interference by non-sensitive surface 13 parts to prevent the infrared ray that infrared transmitter is launched; By above-mentioned to form an infrared receiver.

As shown in Figure 5, when infrared ray exposes to the leading flank of housing 10, can be by the setting of groove 14, the guiding infrared ray enters in the housing 10, and infrared ray can see through sensitive surface 13 and meat thick 15 is then responded to reception by sensitization wafer 11.But the setting of the utility model mat groove 14, in order to replace the perforation of positioning seat commonly used, therefore positioning seat need be set again, can directly the pin 12 of infrared receiver be pegged graft and be welded on the circuit board, so the manufacturing cost that can save positioning seat, and what infrared receiver need not wasted time and energy again is positioned on the positioning seat, is difficult for having error to produce, and its product advances rate and can significantly improve.

Claims

1, a kind of improvement type infrared receiver includes a housing; One sensitization wafer is located in the housing and the number branch connecting pin is connected in this sensitization wafer; It is characterized in that: the side is provided with two grooves corresponding to this sensitization wafer before this housing, this groove trailing flank is provided with sensitive surface, it is thick to have certain thickness meat between this sensitive surface and the sensitization wafer, and the front side one-tenth of this housing and the part beyond the inside grooves sensitive surface also are provided with light shield layer.

2, as wanting profit to require 1 described improvement type infrared receiver, it is characterized in that: light shield layer is texture or mode of printing setting.