CN2318672Y - Vision protector - Google Patents
Vision protector Download PDFInfo
- Publication number
- CN2318672Y CN2318672Y CN 98203906 CN98203906U CN2318672Y CN 2318672 Y CN2318672 Y CN 2318672Y CN 98203906 CN98203906 CN 98203906 CN 98203906 U CN98203906 U CN 98203906U CN 2318672 Y CN2318672 Y CN 2318672Y
- Authority
- CN
- China
- Prior art keywords
- utility
- model
- user
- battery
- mercury cut
- 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
Landscapes
- Audible And Visible Signals (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a vision protector which is composed of a battery, a miniature horn, a sounding circuit, etc. When a user has incorrect read-write postures, the vision protector reminds the user for correcting bad postures in time for achieving the goal of protecting vision. The utility model has the advantages of small size, novel design, reasonable structure and good alarm effect.
Description
The utility model relates to a kind of protector, particularly a kind of vision protector.
At present, the sighting distance frame that a kind of energy restrictive sight distance is arranged on the market, it is made up of carriage and bearing support, during use, bearing support is fixed on the desk, carriage is held Writer's chin, controls the distance of Writer's eyes and books with compulsive means, this sighting distance support body long-pending big, cost is high, use is inconvenient.
The purpose of this utility model provides the vision protector that a kind of energy reminds people is read a book or write with correct body position, and it can overcome above-mentioned deficiency.
The purpose of this utility model is achieved in that
The utility model mainly is made up of battery, Microspeaker, phonation circuit, mercury cut-off and shell.One metal extension line of mercury cut-off is connected with battery by lead, battery is connected with phonation circuit, another root metal extension line of mercury cut-off is connected with phonation circuit by lead, phonation circuit is connected with Microspeaker by two leads, above-mentioned electron device is installed in the housing, mercury cut-off is horizontal, during use, it is worn over user's front and certain position of head, and when user's read-write posture was correct, mercury cut-off was in dissengaged positions, when user's forward lean or head when hanging down into certain angle, the mercury cut-off conducting, the sonification system energising is started working, and promptly sends language or alerting signal, remind the user to correct incorrect read-write posture, after read-write posture recovered normally, mercury cut-off disconnected, and chimes of doom stops.
The utility model has the advantages that modern design, volume is little, cost is low, warning is effective, it can not only will keep correct body position during the reminds people read-write, make eyes and books keep correct distance, prevent myopia, hunchback, and can also remind the driver when driving, not doze, to guarantee traffic safety.
Accompanying drawing is depicted as structural representation of the present utility model.
Below in conjunction with accompanying drawing the utility model is described further.
The utility model is made up of battery 1, Microspeaker 2, phonation circuit 3, mercury cut-off 4, shell 5, one metal extension line of mercury cut-off 4 is connected with battery 1 by lead, battery 1 is connected with phonation circuit 3, another root metal extension line of mercury cut-off 4 is connected with phonation circuit 3 by lead, phonation circuit 3 is connected with Microspeaker 2 by two leads, above-mentioned electron device is installed in the shell 5, mercury cut-off 4 is horizontal, when user's read-write posture was correct, mercury cut-off 4 was in dissengaged positions.One microswitch also can be installed as power switch on circuit.
The utility model is simple in structure, cost is low, easy to use, good through trial effect, liked by the user.
Claims (1)
1, a kind of vision protector; a metal extension line that it is characterized in that mercury cut-off is connected with battery by lead; battery is connected with phonation circuit, and another root metal extension line of mercury cut-off is connected with phonation circuit by lead, and phonation circuit is connected with Microspeaker by two leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98203906 CN2318672Y (en) | 1998-04-22 | 1998-04-22 | Vision protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98203906 CN2318672Y (en) | 1998-04-22 | 1998-04-22 | Vision protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2318672Y true CN2318672Y (en) | 1999-05-12 |
Family
ID=33960636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98203906 Expired - Fee Related CN2318672Y (en) | 1998-04-22 | 1998-04-22 | Vision protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2318672Y (en) |
-
1998
- 1998-04-22 CN CN 98203906 patent/CN2318672Y/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 |