GB2415501A - A distance measuring detector which determines the distance between a surface of an object to an indicating laser beam - Google Patents
A distance measuring detector which determines the distance between a surface of an object to an indicating laser beam Download PDFInfo
- Publication number
- GB2415501A GB2415501A GB0428354A GB0428354A GB2415501A GB 2415501 A GB2415501 A GB 2415501A GB 0428354 A GB0428354 A GB 0428354A GB 0428354 A GB0428354 A GB 0428354A GB 2415501 A GB2415501 A GB 2415501A
- Authority
- GB
- United Kingdom
- Prior art keywords
- distance
- laser
- housing
- laser beam
- distance measuring
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
- G01C3/08—Use of electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Abstract
A distance measuring device 18 comprising: A housing 1 which holds a distance measuring detector (2, fig. 3); a calculating circuit, and laser indicating device (3, fig. 3) to projects indicating laser beams 322, 302 from the housing. The circuit calculates the distance between an object surface 19 to the indicating laser beam 322, 302. The circuit may do such calculations when the laser indicating .device is not switched on. The measuring device 18 may project a measuring signal to the surface of the object and measure its reflection. The measuring signal may be projected in a direction perpendicular to the indicating laser beam(s) 322, 302. Laser indicating beam(s), forming a visible reference line, may be projected traverse to the measuring signals. The measuring signal may be projected from the bottom of the housing, wherein the laser indicating beam may be projected from the side of the housing. The device 18 may have a horizontal indicating device, and it may comprise a removable pedestal (9, figs. 4-5).
Description
DIS1'ANCE hIEASURING DEWCE WlrH LASER II9DICATING DEVI(: E l::ESCRIPrION
CELOSREPIBRENCE TO RI]LATED APPlICArlONS 0001] This application claims priority from Chinese Application No. 200420028160.9, filed on June 21, 2004.
FEDELRALLY SPONSOEtEI) RESEARCH OR DEVELOPMENT [0002] Not Applicable.
1C - ICAL FIELD
[W031 The parent invention relates to a distance rneacuring device, and more particularly to a distance measuring device which provides at least one laser beam that is beamed onto a surface to form at least one reference line vertical to the direction in which the measuring signal Knitted.
BACKGROlJND OF BWENT10N ll)0041 Conventional distance measuring devices comprise a measunag signal projecting and detecting means, wherein the measuring signal can be ultrasonic or laser. Nile distance measurement device measL'res the distance between said device and an object surface by sending out a measuring signal towards said surface and detect ing the reflected signal thereafter and then calculating the distance by a certain circuit Many such devices are
disclosed in the prior art
100051 In practical use, additional operations age often needed after a distance is rlekmined, such as cutting, drilling. hanging a picture, eta Very often, after a position is determined by use of an ordinary distance measuremcut device, a separate laser leveling device is also needed to help achieve said additional operadons. Thus7 while distance measuring devices according to the prior art provide a number of advantageous feared, they nevertheless have certain limitations. Lee present invention seeks to ovine certain of these limitations and other drawbacks of the prior arts and to provide new features not heretofore available SRY OP INVEItIION t000 The present invention generally provides a distance neasunng device with laser indicating device.
[00071 According to one embodiment, the distance measuring device preferably comprise a housing of an upper clamshell housing and a lower clamshell housing, a measuring signal projecting and defecting means, a laser indicating device, a display, a circuit, a set of battery cells, a switch and sonic operation buttons. Said measuring signal projecting and detecting noons sends out a measuring signal from the front end of said housing to an object surface, and detects the reflected signal thereafter. Said laser indicating devotee can also project at least one laser beam onto a surface, thereby to form at least one visible reference line vertical to the direction in which the measuring signal emitting.
8] Accordt;ag to another embodiment, the distance measuring device can furdier comprise a pedestal whicl' can be removable mounted to the housing. lye pedestal comprises a base body, a clamping means, and at led one boron connected with at least one needle which is retractable and can be pushed out into a positioning surface.
9] According to another embodiment, the distance measurement device can also concise at least one horizontal indication device to indicate whether said reference line is horizontal or plumb 100101 Other features and advantages of the invention will be apparent from the following examples in the specification talcen in conjunction with the following drawings.
new 1)ESCRIPIlON OF DRAWINGS 100111 To understand the present invention, it will now be described by way of example, with reference to the accompanying drawings in which: 100121 FIG I is a perspective view of a distance measuring device with two laser beams projecting onto a surface to form two reference lines; tO013] PIC;. 2 is a perspective view of the lower clamshell housing of the distance measuring device; 100141 PIG. is an inner perspective view of the distance measuring device with its upper clamshell housing removed away; [00151 FIG. 4 is a perspective view of a removable pedestal for the distance measunag device; -3.
[00161 PIG 5 is a perspective view of the removable pedestal with a series of needles pushed out; and, 100171 PIG. 6 is a perspective view of the distance measuring device mounted to the removable pedestal.
DETAILED DESCR10N 00181 While this invention is susceptible of embodiment in many different forms, and will herein be described in detail, preferred embodiments of the invention are disclosed with the understanding float the present disclosure is to be considered as exemplifications of to principles of the invendon and are not intended to limit the broad aspects of the invention to the embodiments illustrated.
9] Referring to FIGS. 1-3, the preferred embodiment of a distance measuring device comprises a housing I defined by an upper clamshell housing 10 and a louver clamshell housing 12, a measuring signal projecting and detector means 2, a laser indicating device 3, a display 16, a circuit (not shrove), a set of ban,ey cells (not shovel), a chamber 40 for coutainirg the battery cells, a cover 42 for the chamber 40, a switch 5 and a series of operation buttons 6.
[00201 In practical use, when the switch 5 is pressed down the bakery cells are tt.en electrical connected to the circuit, the measuring signal projecting and detecting means 2 sends out a signal from the front end 114 of the housing 1 to an obccr surface ID in the direction A and detect the reflected signal thereafter. Me circuit then calculates the distance between a predetermined position on said lousing 1 and tile object surface 19 general distance measuring and calculating means and method is a prior art, any further detailed
description is not provided here
[00211 Additionally, the laser indicating device 3 emits al least one laser beam onto a surface to Bonn at least one visible reference line Refemag to FIG 3, in a preferred embodiment the laser indicating device 3 comprises two laser generating assemblies 30, 32, each of which cons es a laser diode and a set of lens (not exactly shovel) to fan the laser generated by the laser diode to a planar laser beans 300, 320. Me laser beams 300, 320 pass through corresponding apertures 304 and 324 formed in the housing 1, and project to a surface 18 to form two visible reference lines 302, 322, as shown in FIG. I.
-
10022] The laser indicating device 3 can also comprise only one laser diode and a series of optical units which can divide a laser beam into one or several fan-shaped laser beams in different directions.
[00231 In another embodiment, the laser indicatit device 3 comprises one or more laser diodes and a set ol" optical units which includes one or snore leneicular prism array so that the laser indicating device 3 can project a plane of diverging laser beams onto the surface 18 to Corns a series of discrete spots to defnc at least one visible reference line, as described in U.S. Patent No 6,005,719.
10024] The laser indicating device 3 can be switched on or off by the switch 5.
Additionally, it car' also be controlled by some other switch. the preferred embodiment, referring to FlO. 1, He distance neasuring device comprises two independent laser switches 60, C2 which Can be pressed to trigger the corresponding laser generabog assemblies 30, 32.
[0025 e distance measuring device comprises such a ciruiit that when no laser beam is generated, the measuring result will reach the distance between the rear end 112 of die housing 1 and We object surface l9. Otherwise, wick u least one laser beam 300 or 320 is generated, tlte measuring result will reach the distance between the laser beam 3W or 320 and the object surface l9.
10026] The distance measuring device of the present invention is preferred to comprise at least one horizontal indication device for indicating whether a plane is horizontal. Referring to FIG. l, a first horizontal indication device l and a second horizontal indication device 82 are positioned in We housing l, vertical to each other The first and second horizontal indication device 81, 82 can be two water-bubble tubes. When the bubble is in the middle' the water-bubble tube is horizontal. Therefore precise horizontal or vertical reference lines can be provided with the two vater-bubble tubes.
100271 Referring to E;IOS. 4 6, the distance measuring device of the present invention inky also include a pedestal 9 which can be honorably anointed to the housing I. Lee pedestal 9 comprises a base body 91, a clamping means 92, at least one button S'4 connected with at least one needle 95 which is retractable and can be pushed out into a positioning surtsce. hook portion 93 protrudes Mom the middle of the clamping means 92 Referring to 1. 6, this is a perspective view showing hot e distance measuring device can be mounted to We pedestal 9 with We whole housing I received in the clamping means 52 and one end held by the hook portion 93 100281 Veer in practice a user can switch on the distance Ineasuring device: without actuating else laser indicating device, and data mill be visible on Ihc display shown the distance between the rear end of the housing and the object surface. A user can also switch on to laser indicating device when measuring distance such that the adult shown on the display is the distance between the laser beams and the oecr surface. T' en, the distance measuring device can be placed in the position where a desired distance is attained, so that the user can go on for his/her next world, such as cutting, drilling, hanging a picture, etc. with rbe reference of the visible lines fanned by the laser beahns.
10029] a user only wants to measure the distance between an exact position and a surface, the user can also switch on the laser indicating device with the laser beams passing across the p<'sidon when measuring. With such a step, the measuring result will be very Inecise.
100301 Addidonally, the distance neasuring device with a laser indicating device of the present invention can also be used only for leveling and indicating.
100311 Several alternative embodiments and exernples have been described and illustrated herein. A person of ordinary shelled ill the art would appreciate the features of Me individual ernboditnents, and die possible combinations and variations of the components A person of ordinary skill in the art would further appreciate mat any of the embodiments could be provided in any combination with the other enbodinents disclosed herein Additionally.
the terms 'first," "second," and "third" as used herein are intended for illustrative purposes only and do not limit the embodiments in any covey. Further. the terns "plurality" as used herein indicates any number greater than one, either disjunctively or conJuncbvely, as necessary, up to an infinite number.
100321 It will be understood that the invention may be embodied in other specific forms without departing from the spins or central characteristics thereof. The present examples and etnhodiments, therefore? are to be considered in all respects as illustrative and not restnctive, and the invention is not to be limited to the details given herein.
Claims (25)
1. A distance measuring device, comprising: a housing having a Stance Ineasurng detector to determine a distance to at' object surface. a circuit in the housing, and a laser indicating device to project at least one laser beam from the housing, wherein the Circuit calculates the distance between the at least one laser beam and the object surface.
2. Lee distance measuring device of claim 1, wherein He circuit calculates the distance between die laser bean1 and the object surface when the laser indicabug device is switched on, and wherein the circuit calculates the distance between a predebnined position on the housing and the object surface when the laser indicating device is not svitclted on.
3. The distance neasuring device of claim 1, wherein the distance measuring detector projects a measuring signal to the object surface and detects a reflection of said measuring signal therefrom.
4. lye distance measuring device of claim 3, wherein the distance measuring detector projects a measuring signal, and wherein the laser indicating device projects the at least one laser beam in a. direction substantial perpendicular to die direction of the projected measuring signal,
5. The distance measunug device of claim 1, wherein the laser indicating device projects the at least one laser beam in a direction transverse to a measunug signal transmitted Mom the distance measuring detector.
(i. The distance measuring device of claim 1, wherein He laser indicating device projects He at least one laser beam in a direction vertical to the direction in which a measuring signal is projected frown the distance measuring detector.
7. The distance neasuring device of claim I, wherein said at least one laser beam projects a laser beam on a surface to fonn at least one visible reference line on talc surface
8. We distance measuring device of claim 7, further comprising another laser indicating device to project an opposing laser beam from the housing and on an opposing surface to form a visible reference line on tle opposing surface
9. The distance measuring device of claim 1, wherein the distance measuring detector projects a measunog signal from a bottom of He housing, and wherein the laser indicating device projects the laser beam Scorn a side of the housing.
- -
10. The distance measuring device of claim 1, further comprising at least one horizontal indication device.
I 1. The distance measuring device of claim 1, further comprising a removable pedestal to connect to the housing of the distance measuring device
12. The distance measuring device of claim 11, wherein the pedestal comprises a base body and a clamping means which has at least one hook portion prodding out of the base Ixdy.
13. The distance measuring device of claim 11, wherein said pedestal Further comprises at least one button connected with at least one retractable needle adapted to protrude from the pede6tah
14. 17e distance measuring device of claim 1, further comprising a lens adjacent the laser cnutter, the lens fanning the laser projected by the laser unfitter to a planar laser beam.
15. I-he distance mcasur.ing device of claim 1, further comprising a second laser indicating device in the housin.g, the laser indicating device projecting a furst laser beam frown the housing, and the second laser indicating device projecting second laser beam frotn the housing
16. The distance measunog device of claim 15, wherein the first laser beam is projected flown the laser indicating device in a first direction, and wherein the second laser beam is projected from the second laser indicating device in a second direction
17. distance measuring device' comprising: a housing having a measuring signal projector and detector tO project a measuring signal to an object surface and detect a reflection of said measurlug signal then:from, a circuit in said housing, and a laser emitter to project at least one laser beans from said housing, wherein circuit calculates the distance between said at least one laser beam and said object surface when said laser enitcr is switched on, and wherein said circuit calculates the distance between a predetermined position on said housing and said object surface when said laser entiner is not switched on
18. The distance measunug device of claim 17, fonder comprising a pedestal removably connected to the housing.
19. lathe distance:neasuring device of claim 18, wherein the pedestal comprises a base body and a clampings means which has at least one hook portion protruding out of the base body to removably secure the pedestal to the housing.
20. The distance measuring device of claim 7, further comprising a display on the housing to display the calculated distance.
21. The distance measuring device of claim 17, wherein the at least one laser beam is projected in a direction generally perpcudicular to to direction of the projected measuring signal
22. A distance measuring device, comprising a housing having a neasurin,' signal projector and detector to project a measurih, signal to an object surface and detent a reflection of said measuring signal therefrom. a laser indicadog device to project at least one laser beam Tom said housing, and a pedestal reuc>vably connected to the housing.
23. The distance measuring device of claim 22' wherein the pedestal comprises a base body and a clamping means whicl1 has at least one hook portion protruding out of the base body to removably secure the pedestal to the housing.
24. The distance measuring device of claim 2Z wherein the laser beam is projected in a direction vertical to the direction in which said measuring signal is projected
25. method of measuring; the distance to an object surface comprising the acts of: projecting at least one laser beam; projecting a measuring signal in Me direction of the object surface; detecting a reflection of the measuring signal {rum the object surface: and, calculating a distance groin the laser beam to the object surface
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410810609 | 2004-06-21 | ||
| US11/004,341 US20050280802A1 (en) | 2004-06-21 | 2004-12-03 | Distance measuring device with laser indicating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0428354D0 GB0428354D0 (en) | 2005-02-02 |
| GB2415501A true GB2415501A (en) | 2005-12-28 |
Family
ID=34122270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0428354A Withdrawn GB2415501A (en) | 2004-06-21 | 2004-12-24 | A distance measuring detector which determines the distance between a surface of an object to an indicating laser beam |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2415501A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100302527A1 (en) * | 2009-05-29 | 2010-12-02 | Hilti Aktiengesellschaft | Laser instrument for electro-optical distance measurement |
| CN104501769A (en) * | 2014-12-15 | 2015-04-08 | 咸亨国际（杭州）电气制造有限公司 | Transmission line tower/pole displacement state detection method and apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2187570A (en) * | 1986-03-06 | 1987-09-09 | Rabone Chesterman Ltd | Apparatus for measuring distance |
| US6157591A (en) * | 1999-08-12 | 2000-12-05 | Zircon Corporation | Sonic range finder with laser pointer |
| US6560560B1 (en) * | 2000-04-24 | 2003-05-06 | Eric Joshua Tachner | Apparatus and method for determining the distance between two points |
| US20040051865A1 (en) * | 2001-10-05 | 2004-03-18 | Joerg Stierle | Device for distance measurement |
| US20040051860A1 (en) * | 2002-06-25 | 2004-03-18 | Matsushita Electric Works, Ltd. | Laser distance measuring apparatus |
-
2004
- 2004-12-24 GB GB0428354A patent/GB2415501A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2187570A (en) * | 1986-03-06 | 1987-09-09 | Rabone Chesterman Ltd | Apparatus for measuring distance |
| US6157591A (en) * | 1999-08-12 | 2000-12-05 | Zircon Corporation | Sonic range finder with laser pointer |
| US6560560B1 (en) * | 2000-04-24 | 2003-05-06 | Eric Joshua Tachner | Apparatus and method for determining the distance between two points |
| US20040051865A1 (en) * | 2001-10-05 | 2004-03-18 | Joerg Stierle | Device for distance measurement |
| US20040051860A1 (en) * | 2002-06-25 | 2004-03-18 | Matsushita Electric Works, Ltd. | Laser distance measuring apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100302527A1 (en) * | 2009-05-29 | 2010-12-02 | Hilti Aktiengesellschaft | Laser instrument for electro-optical distance measurement |
| EP2256516A3 (en) * | 2009-05-29 | 2012-01-04 | HILTI Aktiengesellschaft | Laser device for electro-optical distance measurement |
| US8467036B2 (en) | 2009-05-29 | 2013-06-18 | Hilti Aktiengesellschaft | Laser instrument for electro-optical distance measurement |
| CN104501769A (en) * | 2014-12-15 | 2015-04-08 | 咸亨国际（杭州）电气制造有限公司 | Transmission line tower/pole displacement state detection method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0428354D0 (en) | 2005-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |