Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
A mechanical deviation detecting device comprising a condenser lens receiving a projected light beam emanated from a distant reference point, a rotatable drum having its rotating axis passing through the focus of the condenser lens normal to a plane including the light beam and the direction of the deviation to be detected, wherein the drum is equipped with a plurality of slits provided on its periphery equidistantly in the direction of the axis and is driven to rotate in constant speed, and a first photoelectric element is placed at the focus of the condenser lens, whereby the element produces output electric pulses each of which having phase corresponding to the mechanical deviation to be detected.
Claim 2
Dependent Claim
115 words
A mechanical deviation detecting device comprising a condenser lens receiving a projected light beam emanated from a distant reference point, a rotatable drum having its rotating axis passing through the focus of the condenser lens normal to a plane including the light beam and the direction of the deviation to be detected, wherein the drum is equipped with a plurality of slits provided on its periphery equidistantly in the direction of the axis and is driven to rotate in constant speed, and a first photoelectric element is placed at the focus of the condenser lens, whereby the element produces output electric pulses each of which having phase corresponding to the mechanical deviation to be detected.
Claim 3
Dependent Claim
64 words
A mechanical deviation detecting device as claimed in claim 1 further comprising a local light source and a second photoelectric element arranged in opposite positions adjacent both sides of the rotating drum to produce a reference pulse train having regular time interval irrespective of the mechanical deviation, wherein by comparing the first electric output pulses with the reference pulses the mechanical deviation is detected.
Claim 4
Dependent Claim
18 words
A mechanical deviation detecting device as claimed in claim 1, wherein the light beam is a laser beam.
Claim 5
Dependent Claim
18 words
A mechanical deviation detecting device as claimed in claim 2, wherein the light beam is a laser beam.
Claim 6
Dependent Claim
197 words
A mechanical deviation detecting device comprising a condenser lens receiving a projected light beam emanated from a distant reference point, a rotatable drum having its rotating axis passing through the focus of the condenser lens in direction normal to a plane including the path of the light beam and the direction of the deviation to be detected, whereby the drum is equipped with a plurality of equidistantly spaced slits extending parallel to the drum axis on the periphery of the drum and the drum rotates in constant speed to allow to pass the projected light intermittently inside the drum, a first photoelectric element placed at the focus of the condenser lens to receive the intermittently projected light beam and to produce electric output pulses corresponding to the time of the excitation, a local light source and a second photoelectric element placed at both sides of the drum in opposite positions to produce an intermittently excited electric output signal having constant phase used as a reference irrespective of the movement of the device, whereby the deviation is detected by comparing the phase of the output pulse of the first photoelectric element with that of the reference output pulse.
Claim 7
Dependent Claim
197 words
A mechanical deviation detecting device comprising a condenser lens receiving a projected light beam emanated from a distant reference point, a rotatable drum having its rotating axis passing through the focus of the condenser lens in direction normal to a plane including the path of the light beam and the direction of the deviation to be detected, whereby the drum is equipped with a plurality of equidistantly spaced slits extending parallel to the drum axis on the periphery of the drum and the drum rotates in constant speed to allow to pass the projected light intermittently inside the drum, a first photoelectric element placed at the focus of the condenser lens to receive the intermittently projected light beam and to produce electric output pulses corresponding to the time of the excitation, a local light source and a second photoelectric element placed at both sides of the drum in opposite positions to produce an intermittently excited electric output signal having constant phase used as a reference irrespective of the movement of the device, whereby the deviation is detected by comparing the phase of the output pulse of the first photoelectric element with that of the reference output pulse.
Claim 8
Dependent Claim
19 words
A mechanical deviation detecting device as claimed in claim 5, wherein the projected light beam is a laser beam.
Claim 9
Dependent Claim
22 words
A mechanical deviation detecting device as claimed in claim 5, wherein the output pulses are shaped to indicate a square wave form.
Claim 10
Dependent Claim
29 words
A mechanical deviation detecting device as claimed in claim 5, wherein the output pulses are shaped to be an oscillatory wave form directly representing the oscillation of the device.